-
公开(公告)号：US2264081A
公开(公告)日：1941-11-25
申请号：US38340441
申请日：1941-03-14
Applicant: GEN ELECTRIC
Inventor： KURT JOST , WOLFGANG THOURET
IPC: H01J61/92
CPC classification number: H01J61/92
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
