Government supplies. Navy Department specification: Matting, synthetic-rubber and plastic-elastomer (for use around electrical apparatus or circuits not exceeding 3,000 volts to ground); Dec. 1, 1943.
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Government supplies. Navy Department specification: Matting, synthetic-rubber and plastic-elastomer (for use around electrical apparatus or circuits not exceeding 3,000 volts to ground); Dec. 1, 1943.
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Government supplies. Navy Department specification: Matting, synthetic-rubber and plastic-elastomer (for use around electrical apparatus or circuits not exceeding 3,000 volts to ground); Dec. 1, 1943.