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公开(公告)号:US2039694A
公开(公告)日:1936-05-05
申请号:US6916536
申请日:1936-03-16
Applicant: SCHWARZE ELECTRIC COMPANY
Inventor: VON VOIGTLANDER FREDERICK
IPC: G10K9/02
CPC classification number: G10K9/02
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公开(公告)号:US2158209A
公开(公告)日:1939-05-16
申请号:US9628536
申请日:1936-08-15
Applicant: SCHWARZE ELECTRIC COMPANY
Inventor: VON VOIGTLANDER FREDERICK
IPC: G10K9/13
CPC classification number: G10K9/13
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公开(公告)号:US2074875A
公开(公告)日:1937-03-23
申请号:US67407033
申请日:1933-06-02
Applicant: SCHWARZE ELECTRIC COMPANY
Inventor: VON VOIGTLANDER FREDERICK
IPC: B06B1/02
CPC classification number: B06B1/0276 , B06B2201/53 , Y10T307/872
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公开(公告)号:US2060911A
公开(公告)日:1936-11-17
申请号:US67285733
申请日:1933-05-25
Applicant: SCHWARZE ELECTRIC COMPANY
Inventor: VON VOIGTLANDER FREDERICK
IPC: G10K9/15
CPC classification number: G10K9/15
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公开(公告)号:US2216380A
公开(公告)日:1940-10-01
申请号:US12048537
申请日:1937-01-14
Applicant: SCHWARZE ELECTRIC COMPANY
Inventor: VON VOIGTLANDER FREDERICK
IPC: G10K9/15
CPC classification number: G10K9/15
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公开(公告)号:US2126433A
公开(公告)日:1938-08-09
申请号:US11217036
申请日:1936-11-21
Applicant: SCHWARZE ELECTRIC COMPANY
Inventor: VON VOIGTLANDER FREDERICK
IPC: G10K1/066
CPC classification number: G10K1/066
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