當(dāng)前位置:
首頁 >
不銹鋼彈性墊圈和鎖緊墊圈通用規(guī)范

General specification for spring and lock washers in stainless steel
標準號:QJ 3246-2005
General specification for spring and lock washers in stainless steel
標準號:QJ 3246-2005