GB/T 36520.1-2018液压传动聚氨酯密封件尺寸系列第1部分:活塞往复运动密封圈的尺寸和公差国家标准
英文:Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 1:Dimensions and tolerances of seals used ...
英文:Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 1:Dimensions and tolerances of seals used ...