BS939:1977

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British Standards: BS939:1977



Standard No BS939:1977
Title of Standard Specification for engineers' squares (including cylindrical and block squares)
ISBN 058009626 2
Date of Publication 30/09/77
Approx Pages 16
Description Squares (instruments), Angular measurement, Dimensional measurement, Accuracy, Dimensions, Dimensional tolerances, Design, Flatness (surface), Smoothness (surface), Marking, Steels, Hardness, Roughness (surface), Test equipment, Precision, Blocks, Cylindr
Cross references BS 1133:Section 6, BS 1133:Section 19, BS 1134, BS 1452, BS 3643
International Equiv (If Applicable )
Replaces Standards :
Replacement Notes Replaces BS939:1962.
Now Replaced By
Replaced by Notes
Committee Ref MTE/26


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