hosyousyo wo mireba, katamei ga wakarimasu.

It breaks down like this:

• 保証書を見れば = if you look at the warranty certificate/card
• 形名が分かります = you will understand / be able to tell the model name

So the pattern is:

X を 見れば、Y が 分かります
= If you look at X, you can find out Y

A natural English translation would be:

If you look at the warranty card, you can find the model name.

を marks the direct object of the verb 見る (to see / to look at).

So:

• 保証書 = warranty certificate / warranty card
• 保証書を見れば = if you look at the warranty card

With 見る, the thing being looked at is usually marked by を.

Examples:

• 本を見る = look at a book
• 画面を見る = look at the screen

見れば is the conditional form of 見る. It means if (someone) looks.

So:

• 見る = to look
• 見れば = if you look

The -ば form is one common way to say if in Japanese.

In this sentence:

• 保証書を見れば、形名が分かります。
• If you look at the warranty card, you will know / can find out the model name.

This form often sounds slightly formal or explanatory.

Both can mean if you look, but the nuance is a little different.

• 見れば often sounds more like a general condition:
  If you look, then you’ll know.
• 見たら can sound more like:
  when/after you look or if you happen to look

In instructional or explanatory sentences, -ば is very common and sounds natural.

So in something like a manual, customer support message, or product explanation, 見れば fits very well.

This is a very common learner question.

In Japanese, 分かる does not usually take を. The thing understood is marked with が.

So:

• 形名が分かります = the model name is understood / becomes clear / can be identified

Even though in English we say understand something, Japanese uses が with 分かる.

Other examples:

• 意味が分かります = I understand the meaning
• 答えが分かりました = I understood / found out the answer

So 形名が分かります is the normal grammar.

Here, 分かります means something like:

• you can tell
• you can find out
• you will know
• it becomes clear

It does not always mean deep understanding. In this sentence, it means that by checking the warranty card, the model name becomes known to you.

So 形名が分かります is closer to:

You can identify the model name.

形名 means model name or model designation.

It is often used for appliances, electronics, machines, and product documentation.

Depending on context, English translations might include:

• model name
• model number
• model designation

A learner may also see similar words like:

• 型番 = model number
• 品番 = item/product number

These are similar, but not always exactly the same. In this sentence, 形名 is the label used for the product’s model identification.

保証書 means warranty certificate, warranty card, or guarantee card.

It is the document that comes with a product and shows warranty information.

So the sentence is saying that if you check that document, you can find the product’s model name.

Yes, the subject is omitted, which is very normal in Japanese.

Japanese often leaves out words like I, you, we, or it when the meaning is clear from context.

So this sentence could be understood as:

• If you look at the warranty card, you can find the model name.
• By looking at the warranty card, the model name can be identified.

The sentence does not explicitly say you, but that is the natural interpretation in English.

The comma helps separate the if-clause from the main clause:

• 保証書を見れば、 = if you look at the warranty card,
• 形名が分かります。 = you can tell the model name.

Japanese commas are often used more flexibly than English commas, but here it makes the sentence easier to read.

Yes. 分かります is the polite non-past form of 分かる.

• 分かる = plain form
• 分かります = polite form

So this sentence sounds appropriate for customer service, manuals, product documentation, or polite conversation.

A plain version would be:

保証書を見れば、形名が分かる。

That would sound less polite and more casual.

Sometimes yes, depending on context.

The -ば form mainly means if, but in practical English, sentences like this are often translated more naturally as:

• If you look at the warranty card, you can find the model name.
• By looking at the warranty card, you can find the model name.
• You can find the model name on the warranty card.

In instructions, English often prefers a more direct phrasing, even if the Japanese literally uses a conditional.

Yes, very much so.

Japanese explanations often use patterns like:

• 〜を見れば、〜が分かります
• 〜を確認すれば、〜が分かります

These mean:

• If you check ~, you can find out ~
• By checking ~, ~ becomes clear

So this sentence sounds very natural in a product-support or instruction context.