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BS 493:1933 | 26 Jun 1933 | BSI Knowledge
Standard
Withdrawn
BS 493:1933
Cast iron airbricks and gratings (for use in brickwork)
Published:
26 Jun 1933
•
Withdrawn:
17 Mar 1945
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Product Details
Descriptors
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ICS Codes
91.060.01 Elements of buildings in general
Committee
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International relationships
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ISBN
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Publisher
BSI