
Revision Of Iso 2060:1972 Textiles - Yarn From Packages - Determination Of Linear Density (mass Per Unit Length) By The Skein Method
出版:British Standards Institution

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Revision Of Iso 2060:1972 Textiles - Yarn From Packages - Determination Of Linear Density (mass Per Unit Length) By The Skein Method
出版:British Standards Institution
專家解讀視頻