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公开(公告)号:US1915981A
公开(公告)日:1933-06-27
申请号:US58407131
申请日:1931-12-31
Applicant: GEN ELECTRIC
Inventor: FRED DAVIS
IPC: B23K9/12
CPC classification number: B23K9/125
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公开(公告)号:US2743515A
公开(公告)日:1956-05-01
申请号:US25575251
申请日:1951-11-09
Applicant: GEN ELECTRIC
Inventor: FRED DAVIS , BERNARD PENN WILLIAM , WOOD PUFFER DANIEL
CPC classification number: B23K35/0255 , B23K9/035
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公开(公告)号:US1896863A
公开(公告)日:1933-02-07
申请号:US54684531
申请日:1931-06-25
Applicant: GEN ELECTRIC
Inventor: FRED DAVIS
IPC: F17C1/00
CPC classification number: F17C1/00 , F17C2201/0109 , F17C2201/0114 , F17C2201/0119 , F17C2203/011 , F17C2203/0619 , F17C2209/221 , F17C2209/232 , F17C2223/0123 , F17C2223/035 , F17C2260/011
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公开(公告)号:US2506348A
公开(公告)日:1950-05-02
申请号:US6550548
申请日:1948-12-15
Applicant: GEN ELECTRIC
Inventor: FRED DAVIS
IPC: B23K35/26
CPC classification number: B23K35/268
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