初しょ号ごう

noun

first issue; first number

Used for the inaugural issue of a magazine, journal, or serial publication.

• この雑ざっ誌しの初しょ号ごうは1980年ねんに発はっ行こうされた。

  The first issue of this magazine was published in 1980.

noun

No. 1 type; first model

Refers to the first version or model of something, often in technical or product contexts.

• この機き械かいの初しょ号ごうはまだ倉そう庫こに保ほ管かんされている。

  The first model of this machine is still stored in the warehouse.