-
公开(公告)号：US2092500A
公开(公告)日：1937-09-07
申请号：US70267433
申请日：1933-12-16
Applicant: RCA CORP
Inventor： CHITTICK KENNETH A
IPC: H03G3/22
CPC classification number: H03G3/22
-
公开(公告)号：US2047003A
公开(公告)日：1936-07-07
申请号：US67815333
申请日：1933-06-29
Applicant: RCA CORP
Inventor： CHITTICK KENNETH A
IPC: H03G3/22
CPC classification number: H03G3/22
-
Search Results
12
records
(took 0.031 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
