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公开(公告)号：US2762113A
公开(公告)日：1956-09-11
申请号：US19398950
申请日：1950-11-03
Applicant: STANDARD COIL PROD CO INC
Inventor： DANIELS CHARLES J , DANIELS JOHN W
IPC: H01F17/00
CPC classification number: H01F17/0006 , Y10T29/4902 , Y10T29/49798
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公开(公告)号：US2854644A
公开(公告)日：1958-09-30
申请号：US33405853
申请日：1953-01-29
Applicant: STANDARD COIL PROD CO INC
Inventor： DANIELS CHARLES J , DANIELS JOHN W
IPC: H01P7/00
CPC classification number: H01P7/00
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