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公开(公告)号:US1934068A
公开(公告)日:1933-11-07
申请号:US50042430
申请日:1930-12-05
Applicant: STANDARD OIL DEV CO
Inventor: JOLLY EDWARD M , SWOOPE CHARLES C
公开(公告)号:US1934068A
公开(公告)日:1933-11-07
申请号:US50042430
申请日:1930-12-05
Applicant: STANDARD OIL DEV CO
Inventor: JOLLY EDWARD M , SWOOPE CHARLES C