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公开(公告)号:CA437286A
公开(公告)日:1946-10-08
申请号:CA437286D
Applicant: HUGHES GROVER A
Inventor: HUGHES GROVER A
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公开(公告)号:US2265169A
公开(公告)日:1941-12-09
申请号:US38378041
申请日:1941-03-17
Applicant: HUGHES GROVER A , BROWNFLELD JOHN H
Inventor: HUGHES GROVER A , BROWNFLELD JOHN H
IPC: B23K9/20
CPC classification number: B23K9/202
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公开(公告)号:US2403438A
公开(公告)日:1946-07-09
申请号:US49177743
申请日:1943-06-22
Applicant: HUGHES GROVER A
Inventor: HUGHES GROVER A
IPC: B23K9/20
CPC classification number: B23K9/201
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公开(公告)号:US2256480A
公开(公告)日:1941-09-23
申请号:US35512940
申请日:1940-09-03
Applicant: HUGHES GROVER A
Inventor: HUGHES GROVER A
IPC: B23K9/20
CPC classification number: B23K9/202
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