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ASTM A1124-25 Standard Specification for Textured Epoxy-Coated Steel Reinforcing Bars.pdf

ASTM A269-25 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.pdf

ASTM A564-25 Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes.pdf

ASTM A213-25 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler Superheater and Heat-Exchanger Tubes.pdf

ASTM A511-25 Standard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow Bar.pdf

CYT 18-1995 VHS像带复制系统技术条件.pdf

CY∕T 191-2019 印刷技术 雕版印刷技艺.pdf

DA∕T 68.1-2020 档案服务外包工作规范 第1部分：总则.pdf

CNCA-C11-01-2020 强制性产品认证实施规则 汽车.pdf

CH∕Z 1002-2009 可量测实景影像.pdf

DA∕T 67-2017 档案保管外包服务管理规范.pdf

CNAS-SC178-2020 电子商务管理体系认证机构认可方案.pdf