-
公开(公告)号：US2939015A
公开(公告)日：1960-05-31
申请号：US65241357
申请日：1957-04-12
Applicant: PHILIPS CORP
Inventor： FRIEDRICH REINIGER
CPC classification number: H01J35/101 , H01J2235/1026 , H05G1/04
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
