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BS 493:1970 | 14 Dec 1970 | BSI Knowledge
Standard
Withdrawn
BS 493:1970
Specification for airbricks and gratings for wall ventilation
Published:
14 Dec 1970
•
Withdrawn:
15 Apr 1995
Overview
Preview
References
History
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Product Details
Descriptors
Marking
Air registers
Ventilators
Ventilation
Construction materials
Design
Bricks
Walls
Dimensions
Ventilation equipment
Air bricks
ICS Codes
77.140.01 Iron and steel products in general
Committee
B/519/1
International relationships
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ISBN
0 580 06066 7
Publisher
BSI