Definition of 通用期間 (つうようきかん)
つうようきかん
通用期間
つうようきかん
tsuuyoukikan
noun
•
period of validity
Related Kanji
通 | traffic, pass through, avenue, commute, counter for letters, notes, documents, etc. |
用 | utilize, business, service, use, employ |
期 | period, time, date, term |
間 | interval, space |