ASTM-B7 › Complete Document History
Specification for Tough-Pitch Lake Copper-Refinery Shapes (Withdrawn 1940)
Obsolete Revision Information: |
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REPLACED BY ASTM-B30 - WITHDRAWN - Jan. 1, 1940
1939 EDITION - Tough-Pitch Lake Copper-Refinery Shapes - Jan. 1, 1939 |