-
-
公开(公告)号:US2335796A
公开(公告)日:1943-11-30
申请号:US28193039
申请日:1939-06-29
Applicant: RCA CORP
Inventor: SCHRADER HAROLD J , ROBINS BEN W , BRUMBAUGH JOHN M
IPC: G01R29/06
CPC classification number: G01R29/06
-
公开(公告)号:US2186182A
公开(公告)日:1940-01-09
申请号:US18396838
申请日:1938-01-08
Applicant: RCA CORP
Inventor: STOCKER ARTHUR C , SCHRADER HAROLD J , ROBINS BEN W
-
公开(公告)号:US2130032A
公开(公告)日:1938-09-13
申请号:US1680735
申请日:1935-04-17
Applicant: RCA CORP
Inventor: ROBINS BEN W
IPC: G01R27/32
CPC classification number: G01R27/32
-
-
-