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公开(公告)号：US2947876A
公开(公告)日：1960-08-02
申请号：US55665255
申请日：1955-12-30
Applicant: GEN ELECTRIC
Inventor： LAREW JOHN J
IPC: G01N21/894
CPC classification number: G01N21/894
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公开(公告)号：US2824240A
公开(公告)日：1958-02-18
申请号：US39502253
申请日：1953-11-30
Applicant: GEN ELECTRIC
Inventor： LYNCH EDWARD E , LAREW JOHN J
IPC: H02J3/46
CPC classification number: H02J3/46 , Y10T307/576
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公开(公告)号：US2796556A
公开(公告)日：1957-06-18
申请号：US39511853
申请日：1953-11-30
Applicant: GEN ELECTRIC
Inventor： LAREW JOHN J
IPC: G01R25/00
CPC classification number: G01R25/00
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