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Standard
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BS 939:2007
Engineers' squares (including cylindrical and block squares). Specification
Summary
Squares (instruments);Test equipment;Steels;Blocks;Dimensions;Dimensional measurement;Angular measurement;Flatness (surface);Hardness;Dimensional tolerances;Design;Accuracy;Designations;Cylindrical shape;Smoothness (surface);Roughness (surface);Marking
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 10/31/2007 |
| Page Count | 34 |
| Themes | Marking |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
31/10/2007
Active
Most Recent
30/09/1977
Superseded
Historical
16/03/1964
Withdrawn
Most Recent