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公开(公告)号：US2795655A
公开(公告)日：1957-06-11
申请号：US46081454
申请日：1954-10-07
Applicant: STANDARD COIL PROD CO INC
Inventor： SCANDURRA ALDO M , HANNON ROBERT J
IPC: H03F3/52
CPC classification number: H03F3/52
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2.发明授权
公开(公告)号：US2785297A
公开(公告)日：1957-03-12
申请号：US27656552
申请日：1952-03-14
Applicant: STANDARD COIL PROD CO INC
Inventor： SCANDURRA ALDO M
IPC: H03J5/30
CPC classification number: H03J5/30
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