-
公开(公告)号：US2164183A
公开(公告)日：1939-06-27
申请号：US18900738
申请日：1938-02-05
Applicant: GEN ELECTRIC
Inventor： LIEMPT JOHANNES A M VAN , WILLEM ELENBAAS
CPC classification number: H01J61/00 , H01J2893/0056 , H01K11/00
-
公开(公告)号：US2191331A
公开(公告)日：1940-02-20
申请号：US24528138
申请日：1938-12-12
Applicant: GEN ELECTRIC
Inventor： LIEMPT JOHANNES A M VAN
IPC: H01K1/20
CPC classification number: H01K1/20
-
公开(公告)号：US2100886A
公开(公告)日：1937-11-30
申请号：US13146437
申请日：1937-03-17
Applicant: GEN ELECTRIC
Inventor： LIEMPT JOHANNES A M VAN
IPC: H01K1/50
CPC classification number: H01K1/50
-
-
Search Results
3
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
