DIN 21557:1987-02

Mine support; yield valves for powered support; identification code.

NORMA vydaná dňa 1.2.1987

The information about the standard:

Designation standards: DIN 21557:1987-02
Publication date standards: 1.2.1987
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Kategória: Technické normy DIN