GB 4221-1984

Rolling bearings--Miniature radial ball bearings--Diameter series 7--Boundary dimensions

NORMA vydaná dňa 1.1.1984

The information about the standard:

Designation standards: GB 4221-1984
Note: NEPLATNÁ
Publication date standards: 1.1.1984
Country: Chinese technical standard
Kategória: Technické normy GB