Drobné čtyřhranné matice nízké.
STANDARD published on 1.3.1981
Designation standards: ČSN 021416:1963/c
Classification mark: 021416
Catalog number: 11958
Note: Change
Publication date standards: 1.3.1981
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN