-
公开(公告)号：US2053122A
公开(公告)日：1936-09-01
申请号：US58815032
申请日：1932-01-22
Applicant: GEN ELECTRIC
Inventor： WILKINS WILLIAM A
CPC classification number: H01J13/06 , H01J13/26 , H01J2893/0075 , Y10T403/478
-
公开(公告)号：US2032862A
公开(公告)日：1936-03-03
申请号：US62605332
申请日：1932-07-29
Applicant: GEN ELECTRIC
Inventor： WILKINS WILLIAM A
IPC: H01J9/40
CPC classification number: H01J9/40
-
Search Results
2
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
