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公开(公告)号:US2901064A
公开(公告)日:1959-08-25
申请号:US72156358
申请日:1958-03-14
Applicant: LCN CLOSERS INC
Inventor: LASIER DAVID R
IPC: A62C2/12
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公开(公告)号:US2960718A
公开(公告)日:1960-11-22
申请号:US75081258
申请日:1958-07-24
Applicant: LCN CLOSERS INC
Inventor: LASIER DAVID R
CPC classification number: E05F3/22 , E05F3/00 , E05Y2201/624 , E05Y2800/37 , E05Y2900/132 , Y10T16/27 , Y10T403/32459 , Y10T403/32861 , Y10T403/32951
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