-
公开(公告)号：US2989615A
公开(公告)日：1961-06-20
申请号：US79681659
申请日：1959-03-03
Applicant: SIEMENS EDISON SWAN LTD
Inventor： ARBUTHNOT LANE CLAYTON , REGINALD JOHN
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0025
Search Results
1
records
(took 0.011 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
