
Specification for solid rivets with 100 countersunk truncated radiused head made from BS L 86 (SP 142) and BS L 37 (SP 143) materials
出版:British Standards Institution

专家解读视频
Specification for solid rivets with 100 countersunk truncated radiused head made from BS L 86 (SP 142) and BS L 37 (SP 143) materials
出版:British Standards Institution
专家解读视频