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公开(公告)号:US993843A
公开(公告)日:1911-05-30
申请号:US1907393816
申请日:1907-09-20
Applicant: GEN ELECTRIC
Inventor: KRUH OSIAS O
CPC classification number: H02M7/06
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公开(公告)号:US916879A
公开(公告)日:1909-03-30
申请号:US1903165053
申请日:1903-07-11
Applicant: GEN ELECTRIC
Inventor: KRUH OSIAS O
CPC classification number: H01J1/00
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公开(公告)号:US883114A
公开(公告)日:1908-03-24
申请号:US1905283258
申请日:1905-10-18
Applicant: GEN ELECTRIC
Inventor: KRUH OSIAS O
CPC classification number: H01J13/48
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公开(公告)号:US787193A
公开(公告)日:1905-04-11
申请号:US1903223003
申请日:1903-12-12
Applicant: GEN ELECTRIC
Inventor: KRUH OSIAS O
CPC classification number: H03B19/10
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