JUS F S3 133-1982 Testing (quantitative analysi$) mixtures of fibres Binary mixtures of viscose or cupro and coton Sodium cincate method《纤维混纺物的检测（定量分析） 粘胶纤维或铜胺纤维与棉纤维的两组分混纺物 锌酸钠法》.pdf

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