Alloy Artifacts

 

JIS Certification Events for ヤマコー株式 (Yamaco Company)

Company Name (ID) Factory Name Number Cert Date Rept Date Class Suffix Event Notes
ヤマコー株式 (YK, YMC) Rokumanji (六万寺) (1952-1977) 2356 1953-06-20 1953-06-20 B4605 New MR 1953-09; date from 1962 CL
Rokumanji (六万寺) (1952-1977) 2356 1953-06-20 1955-12-31 B4604 Status 1955 FNL; Class changed
Rokumanji (六万寺) (1952-1977) 2356 1953-06-20 1967-12-31 B4604 NH Status 1967 CL
Rokumanji (六万寺) (1952-1977) 2356 1981-10-26 1981-10-26 B4604 Revoke MR 1982-02
Kano (1977-) 2356 1981-10-26 1981-10-26 B4604 H Recertify MR 1982-02
Kano (1977-) 2356 1981-10-26 1982-12-31 B4604 H Status 1982 CL
Key to JIS Classes:
  B4604: Adjustable wrenches   B4605: Adjustable (23°)

Generated on Sun Jun 15 08:07:31 2025