sigh007 发表于 2012-3-26 13:34:19

MIL-T-43548C


                   MIL-T-43548C, MILITARY SPECIFICATION: THREAD, POLYESTER CORE: COTTON-, RAYON-, OR POLYESTER-COVERED (30 SEP 1986) ., This document covers cotton-covered, rayon-covered, and polyester-covered threads with polyester cores.         
         
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