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公开(公告)号：US2424418A
公开(公告)日：1947-07-22
申请号：US60858745
申请日：1945-08-02
Applicant: ROBERT RORY
Inventor： ROBERT RORY
IPC: B23K5/18
CPC classification number: B23K5/18 , Y10T29/17 , Y10T82/152 , Y10T82/19
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