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公开(公告)号:US2582667A
公开(公告)日:1952-01-15
申请号:US10862349
申请日:1949-08-04
Applicant: LELAND GIFFORD CO
Inventor: ALLEN JR EDWARD K
IPC: B23Q11/10
CPC classification number: B23Q11/10 , Y10T408/44 , Y10T408/55
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公开(公告)号:US2491635A
公开(公告)日:1949-12-20
申请号:US74705247
申请日:1947-05-09
Applicant: LELAND GIFFORD CO
Inventor: ALLEN JR EDWARD K
IPC: B23Q11/10
CPC classification number: B23Q11/1084 , B23B47/281 , B23B49/04 , Y10S29/054 , Y10S29/092 , Y10T408/44 , Y10T408/55
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