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1.Strip of flexible material having a plurality of separate metal elements mounted thereon in adjacent parallel relationship 失效
标题翻译: 柔性材料条具有以相邻的平行关系安装在其上的多个分开的金属元件公开(公告)号:US3285715A
公开(公告)日:1966-11-15
申请号:US28715063
申请日:1963-06-11
CPC分类号: B23P15/406 , B21D37/205 , B26F1/44 , B26F2001/4463 , Y10S428/932 , Y10T83/9447 , Y10T428/12299 , Y10T428/1234 , Y10T428/12965