BS 4044-1989 Methods for determination of fibre length by comb sorter diagram《用梳片式纤维长度分析仪图解法测定纤维长度的方法》.pdf

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SANS 4044-2007 Methods for determination of fibre length by comb sorter diagram《用梳片式纤维长度分析仪图解法测定纤维长度的方法》.pdf

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