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公开(公告)号:US1815779A
公开(公告)日:1931-07-21
申请号:US56523122
申请日:1922-06-01
Applicant: GEN ELECTRIC
Inventor: FRITZ KOREF , KURT MOERS
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2.Process of preparing metals with high-temperature fusing points such as tungsten andof preparing wire therefrom 失效
Title translation: 用诸如钨等高温熔点制备金属的方法和从其制备电线公开(公告)号:US1650631A
公开(公告)日:1927-11-29
申请号:US61115623
申请日:1923-01-06
Applicant: GEN ELECTRIC
Inventor: FRITZ KOREF , HANS ALTERTHUM
IPC: H01K3/02
CPC classification number: H01K3/02
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公开(公告)号:US1617161A
公开(公告)日:1927-02-08
申请号:US62481823
申请日:1923-03-13
Applicant: GEN ELECTRIC
Inventor: FRITZ KOREF , HANS HOFFMANN
IPC: H01K3/02
CPC classification number: H01K3/02 , Y10T29/49982
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公开(公告)号:US1739234A
公开(公告)日:1929-12-10
申请号:US56526922
申请日:1922-06-01
Applicant: GEN ELECTRIC
Inventor: RICHARD JACOBY , FRITZ KOREF
IPC: H01K3/02
CPC classification number: H01K3/02
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公开(公告)号:US1635793A
公开(公告)日:1927-07-12
申请号:US70987824
申请日:1924-04-29
Applicant: GEN ELECTRIC
Inventor: FRITZ KOREF , KURT MOERS
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公开(公告)号:US1670292A
公开(公告)日:1928-05-22
申请号:US75296824
申请日:1924-11-29
Applicant: GEN ELECTRIC
Inventor: FRITZ BLAU , FRITZ KOREF , KURT MOERS
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公开(公告)号:US1655488A
公开(公告)日:1928-01-10
申请号:US6664225
申请日:1925-11-03
Applicant: GEN ELECTRIC
Inventor: HANS WOLFF , FRITZ KOREF , FRANZ SKAUPY
IPC: H01J7/18
CPC classification number: H01J7/18
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8.
公开(公告)号:US1541596A
公开(公告)日:1925-06-09
申请号:US74757324
申请日:1924-11-03
Applicant: GEN ELECTRIC
Inventor: FRANZ SKAUPY , FRITZ KOREF
IPC: H01K1/14
CPC classification number: H01K1/14 , Y10T428/12
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