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公开(公告)号:US2884481A
公开(公告)日:1959-04-28
申请号:US46598054
申请日:1954-11-01
Applicant: STANDARD COIL PROD CO INC
Inventor: SCHOR FERDINAND W
IPC: H04N9/455
CPC classification number: H04N9/455
公开(公告)号:US2884481A
公开(公告)日:1959-04-28
申请号:US46598054
申请日:1954-11-01
Applicant: STANDARD COIL PROD CO INC
Inventor: SCHOR FERDINAND W
IPC: H04N9/455
CPC classification number: H04N9/455