-
公开(公告)号：US2353672A
公开(公告)日：1944-07-18
申请号：US45260842
申请日：1942-07-28
Applicant: RCA CORP
Inventor： ALFRED KECK , BRUMBAUGH JOHN M
IPC: G01R29/06
CPC classification number: G01R29/06
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
