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1.Electrode for electron discharge tubes and method of forming the same 失效
Title translation: 电子放电管用电极及其形成方法公开(公告)号:US1897933A
公开(公告)日:1933-02-14
申请号:US29709528
申请日:1928-08-02
Applicant: PEOPLES GAS BY PRODUCTS CORP
Inventor: GUTHRIE ROBERT G , WOZASEK OSCAR J
CPC classification number: C23C16/26 , H01J19/00 , H01J2893/0023 , Y10T428/31678
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公开(公告)号:US1706356A
公开(公告)日:1929-03-19
申请号:US32994229
申请日:1929-01-02
Applicant: PEOPLES GAS BY PRODUCTS CORP
Inventor: GUTHRIE ROBERT G , WOZASEK OSCAR J
IPC: C23C8/22
CPC classification number: C23C8/22
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公开(公告)号:US1768317A
公开(公告)日:1930-06-24
申请号:US35145029
申请日:1929-03-30
Applicant: PEOPLES GAS BY PRODUCTS CORP
Inventor: GUTHRIE ROBERT G , WOZASEK OSCAR J
IPC: C23C8/22
CPC classification number: C23C8/22
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