搜索
切换类目
- obe 1|GB/T16842图5|试具1|50mm钢球|50mm标准钢球...re 5-Test probe 1|GB/T16842图5-试具1|50mm钢球|50mm标准钢球 标准:符合IEC61032|GB/T1684...2016-03-13 15:02:48
- UL与IEC跌落(Drop)冲击试验和钢球(Ball)冲击试验区分比较0J高度钢球227g63mm90mm157mm225mm315mm450mm钢球500g28mm41mm71mm102mm143mm204mm钢球5...2016-06-11 19:30:37