ASTM F957-91(1996)

Standard Specification for Gong, Sound Signaling

NORMA vydána dne 15.3.1991

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The information about the standard:

Designation standards: ASTM F957-91(1996)
Note: NEPLATNÁ
Publication date standards: 15.3.1991
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM

Annotation of standard text ASTM F957-91(1996) :

Keywords:
clapper, gong, gong cylinder, signaling, sound signaling