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International Standard Category: Surgical instruments and materials

YY/T 1678-2019    Test methodfor molecular weight averages and molecular weight distribution of polylactic acid and its copolymers for surgical implants
外科植入物用聚乳酸及其共聚物分子量及分子量分布检测方法 ;
Category No.:11.040.30 Valid Status:valid
Issued Organization:National Medical Products Adminstration Issued Date:2019-10-23
Implemented Date:2020-10-1 Abolished Date:
Superseded Standard.: Superseded Date:
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