-
公开(公告)号：US2688709A
公开(公告)日：1954-09-07
申请号：US12671649
申请日：1949-11-12
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： KNOCHEL WILLIAM J , WILLIAM WEINGARTNER
IPC: H01J35/08
CPC classification number: H01J35/08 , Y10S428/939 , Y10T403/35 , Y10T403/479 , Y10T428/12889 , Y10T428/12903
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
