钢制螺钉和垫圈组件|沙特标准|SASO-ISO-10644
SASO-ISO-10644
Screw and washer assemblies made of steel with plain washers – Washer hardness classes 200 HV and 300 HV
带平垫圈的钢制螺钉和垫圈组件-垫圈硬度等级为200 HV和300 HV
钢制螺钉和垫圈组件|沙特标准|SASO-ISO-10644
SASO-ISO-10644
Screw and washer assemblies made of steel with plain washers – Washer hardness classes 200 HV and 300 HV
带平垫圈的钢制螺钉和垫圈组件-垫圈硬度等级为200 HV和300 HV
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