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公开(公告)号:US2157922A
公开(公告)日:1939-05-09
申请号:US21555238
申请日:1938-06-24
Applicant: WESTINGHOUSE ELECTRIC & MFG CO
Inventor: MAX SCHWAIGER
IPC: H01F29/04
CPC classification number: H01F29/04
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公开(公告)号:US2254918A
公开(公告)日:1941-09-02
申请号:US21555338
申请日:1938-06-24
Applicant: WESTINGHOUSE ELECTRIC & MFG CO
Inventor: MAX SCHWAIGER
IPC: G05F1/147
CPC classification number: G05F1/147
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公开(公告)号:US2186211A
公开(公告)日:1940-01-09
申请号:US19411738
申请日:1938-03-05
Applicant: WESTINGHOUSE ELECTRIC & MFG CO
Inventor: MAX SCHWAIGER
IPC: H01F29/04
CPC classification number: H01F29/04
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