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FED GGG-H-211D
- HELMETS, WELDERS'; HANDSHIELD, WELDING; AND PLATES, WELDING (S/S BY ANSI/ASSE-Z87.1-2003) (SUPERSEDING GGG-H-211C AND QPL-GGG-H-211-46)
- standard by Federal Specifications and Standards, 07/19/1985
- Publisher: FED
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