世せ界かい標ひょう準じゅんの日ひ

expression, noun

World Standards Day; International Standards Day

A specific annual observance on October 14, promoting the role of international standards.

• 世せ界かい標ひょう準じゅんの日ひは毎まい年とし10月がつ14日かです。

  World Standards Day is on October 14 every year.