NA 031
DIN Standards Committee Firefighting and Fire Protection
Standards
[CURRENT]
ISO 7093-1
ISO 7093-1
Plain washers - Large series - Part 1: Product grade A
Title (German)
Flache Scheiben - Große Reihe - Teil 1: Produktklasse A
Responsible national committee
NA 067-00-11 AA - Washers and rings