DS DS/EN ISO 9902-4/A1
DS DSEN SO 9902-4A1 2009-APR-22 Textle machnery - Nose test code - Part 4 Yarn processng cordage and rope manufacturng machnery
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This standard, taken together with EN ISO 9902-1, specifies mounting, operating and measuring conditions required for the measurement, declaration and verification of noise emitted by yarn processing, cordage and rope manufacturing machinery.