DIN 21557:1987-02

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

NORMA vydána dne 1.2.1987

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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
Kategorie: Technické normy DIN

Annotation of standard text DIN 21557:1987-02 :

Grubenausbau; Druckbegrenzungsventile für Schreitausbau; Kennzeichnung.