BS 497:1967

Cast manhole covers, road gully gratings and frames for drainage purposes.

NORMA vydaná dňa 21.8.1970

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The information about the standard:

Designation standards: BS 497:1967
Note: NEPLATNÁ
Publication date standards: 21.8.1970
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: British technical standard
Kategória: Technické normy BS