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BS 1157:1944 | 20 Feb 1944 | BSI Knowledge
Standard
Withdrawn
BS 1157:1944
Tapping drill sizes
Published:
20 Feb 1944
•
Withdrawn:
19 Oct 1953
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Product Details
Descriptors
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ICS Codes
25.100.30 Drills, countersinks, reamers
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International relationships
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ISBN
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Publisher
BSI