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21.发明授权Mounting of electrodes in electron discharge devices and method of fabrication 失效在电子放电装置中安装电极及其制造方法
公开(公告)号：US2520016A
公开(公告)日：1950-08-22
申请号：US70343246
申请日：1946-10-15
Applicant: BELL TELEPHONE LABOR INC
Inventor： RONCI VICTOR L , WEST JOHN W
IPC: H01J19/34
CPC classification number: H01J19/34 , H01J2893/0003
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公开(公告)号：US2515337A
公开(公告)日：1950-07-18
申请号：US75670647
申请日：1947-06-24
Applicant: BELL TELEPHONE LABOR INC
Inventor： CLARK JAMES E , RONCI VICTOR L , WEST JOHN W
IPC: C03C27/04
CPC classification number: C03C27/042 , Y10S428/925 , Y10S428/929 , Y10S428/934 , Y10S428/939 , Y10T403/478 , Y10T428/12604 , Y10T428/12611 , Y10T428/12847 , Y10T428/1291 , Y10T428/12917
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公开(公告)号：US2455846A
公开(公告)日：1948-12-07
申请号：US70407546
申请日：1946-10-18
Applicant: BELL TELEPHONE LABOR INC
Inventor： WEST JOHN W
IPC: H01J19/34
CPC classification number: H01J19/34 , H01J2893/0003
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公开(公告)号：US2284547A
公开(公告)日：1942-05-26
申请号：US22355738
申请日：1938-08-06
Applicant: BELL TELEPHONE LABOR INC
Inventor： WEST JOHN W
IPC: H04B1/16
CPC classification number: H04B1/16
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