-
公开(公告)号：US2750507A
公开(公告)日：1956-06-12
申请号：US35932453
申请日：1953-06-03
Applicant: RCA CORP
Inventor： LAW RUSSELL R , HARWICK JOHNSON , GIACOLETTO LAWRENCE J , BARTON LOY E
IPC: H03B5/12
CPC classification number: H03B5/1231 , H03B5/1203 , H03B5/124 , H03B5/1296
-
公开(公告)号：US2685031A
公开(公告)日：1954-07-27
申请号：US13500749
申请日：1949-12-24
Applicant: RCA CORP
Inventor： HARWICK JOHNSON
IPC: H03B29/00
CPC classification number: H03B29/00
-
Search Results
12
records
(took 0.007 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
