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SAE AS3568A-2018 Screw,Drive,Round Head,Type U Ams5504 (Uns S41000)2023-11-15

ASME B18.13-2017 Screw And Washer Assemblies-Sems(Inch Series)2023-08-10

DIN 910-2020 Hexagon head screw plugs with collar – Cylindrical thread2023-06-04

GB/T 5285-2017 六角头自攻螺钉 Hexagon head tapping screws2023-04-25

QC/T 880-2011防拆卸螺栓No unscrew bolt2022-06-15

GB/T 9074.5-2004十字槽小盘头螺钉和平垫圈组合件Cross recessed small pan head screw and washer assemblies with...2022-06-10

GB/T 845-2017十字槽盘头自攻螺钉Cross-recessed pan head tapping screws2022-06-09

GB/T 5282-2017开槽盘头自攻螺钉Slotted pan head tapping screws2022-06-06

GB/T 5356-2021内六角扳手Hexagon socket screw keys2022-03-14

Comparative Analysis of Characteristics of the Coupled and Decoupled Parallel Mechanisms2020-12-06

无轴螺旋连续热解装置上的生物质热解特性2020-06-12

无轴螺旋连续热解装置上的生物质热解特性2020-03-24