兑水 发表于 2009-10-3 10:26:33

ASTM D 2720-1994 商业用各种洗净羊毛毛条及短毛的净重和商业...

D2720-94(2000) Standard Practice for Calculation of Commercial Weight and Yield of Scoured Wool, Top, and Noil for Various Commercial Compositions
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