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公开(公告)号:US2632021A
公开(公告)日:1953-03-17
申请号:US21421251
申请日:1951-03-06
Applicant: STANDARD OIL DEV CO
Inventor: ROBISON SAMUEL B , REHNER JR JOHN
公开(公告)号:US2632021A
公开(公告)日:1953-03-17
申请号:US21421251
申请日:1951-03-06
Applicant: STANDARD OIL DEV CO
Inventor: ROBISON SAMUEL B , REHNER JR JOHN