BSI - BS 939
Specification for engineers' squares (including cylindrical and block squares)
inactive
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| Organization: | BSI |
| Publication Date: | 30 September 1977 |
| Status: | inactive |
| Page Count: | 22 |
| ICS Code (Measuring instruments): | 17.040.30 |
scope:
Squares of try-square type in three grades of accuracy: AA, A, B; cylindrical squares in grade AA; solid form block squares in grades AA, A; open form block squares in grades A, B. Nomenclature, designation, sizes, material, manufacture, design, accuracy, marking, protection, testing.
Document History
October 31, 2007
Engineers’ squares (including cylindrical and block squares) - Specification
A description is not available for this item.
BS 939
September 30, 1977
Specification for engineers' squares (including cylindrical and block squares)
Squares of try-square type in three grades of accuracy: AA, A, B; cylindrical squares in grade AA; solid form block squares in grades AA, A; open form block squares in grades A, B. Nomenclature,...
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