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公开(公告)号:US2740800A
公开(公告)日:1956-04-03
申请号:US35572453
申请日:1953-05-18
Applicant: MELLE USINES SA
Inventor: MAURICE MENTION , PIERRE GODET
公开(公告)号:US2740800A
公开(公告)日:1956-04-03
申请号:US35572453
申请日:1953-05-18
Applicant: MELLE USINES SA
Inventor: MAURICE MENTION , PIERRE GODET