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公开(公告)号:US1162341A
公开(公告)日:1915-11-30
申请号:US1914875803
申请日:1914-12-07
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
CPC classification number: H01J35/08
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12.Tungsten and method of making the same for use as filaments of incandescent electric lamps and for other purposes. 失效
Title translation: 使用它们的方法和方法用作不良电动灯和其他用途的电缆。公开(公告)号:US1082933A
公开(公告)日:1913-12-30
申请号:US1912704580
申请日:1912-06-19
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
CPC classification number: B22F5/12 , B22F2998/10 , C22C1/045 , Y10S75/95 , Y10T428/12431 , B22F3/10 , B22F3/16
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公开(公告)号:US1026384A
公开(公告)日:1912-05-14
申请号:US1908454446
申请日:1908-09-23
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
CPC classification number: C22C1/045 , Y10T29/49812 , Y10T428/12431
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公开(公告)号:US2010712A
公开(公告)日:1935-08-06
申请号:US48390030
申请日:1930-09-23
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
CPC classification number: H01J5/18 , H01J33/00 , Y10T29/49993
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公开(公告)号:US1946312A
公开(公告)日:1934-02-06
申请号:US52382331
申请日:1931-03-19
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
IPC: H01J35/18
CPC classification number: H01J35/18 , H01J2235/1204 , H01J2235/1262 , H01J2235/168
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公开(公告)号:US1907508A
公开(公告)日:1933-05-09
申请号:US40460929
申请日:1929-11-04
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
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公开(公告)号:US1659133A
公开(公告)日:1928-02-14
申请号:US75681324
申请日:1924-12-18
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
IPC: H01J35/04
CPC classification number: H01J35/04
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公开(公告)号:US1502907A
公开(公告)日:1924-07-29
申请号:US30781419
申请日:1919-06-30
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
IPC: H01J35/02
CPC classification number: H01J35/02
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公开(公告)号:US1485352A
公开(公告)日:1924-02-26
申请号:US47123921
申请日:1921-05-20
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
IPC: H05G1/14
CPC classification number: H05G1/14
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公开(公告)号:US1408989A
公开(公告)日:1922-03-07
申请号:US27281119
申请日:1919-01-24
Applicant: GEN ELECTRIC
Inventor: COOLIDGE WILLIAM D
IPC: H05G1/06
CPC classification number: H05G1/06
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