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公开(公告)号:US2815641A
公开(公告)日:1957-12-10
申请号:US26676452
申请日:1952-01-16
Applicant: COOPER BESSEMER CORP
Inventor: RAMSEY ROBERT P , MORAIN WILLARD A
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公开(公告)号:US2676578A
公开(公告)日:1954-04-27
申请号:US22201451
申请日:1951-04-20
Applicant: COOPER BESSEMER CORP
Inventor: RAMSEY ROBERT P , MORAIN WILLARD A , BOVARD CHARLES M
IPC: F02D1/02
CPC classification number: F02D1/02
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