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BS 497:1952 | 20 Feb 1956 | BSI Knowledge
Standard
Withdrawn
BS 497:1952
Cast manhole covers, road gully gratings and frames for drainage purposes
Published:
20 Feb 1956
•
Withdrawn:
31 May 1967
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Product Details
Descriptors
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ICS Codes
13.060.30 Sewage water
91.140.80 Drainage systems
Committee
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International relationships
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ISBN
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Publisher
BSI