sigh007 发表于 2012-3-27 00:25:09

MIL-T-16420K (AMENDMENT 1)


                   MIL-T-16420K (AMENDMENT 1), MILITARY SPECIFICATION: TUBE, COPPER-NICKEL ALLOY, SEAMLESS AND WELDED (COPPER ALLOY NUMBERS 715 AND 706) (16 SEP 1988).         
         
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