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公开(公告)号：US2781903A
公开(公告)日：1957-02-19
申请号：US47739454
申请日：1954-12-23
Applicant: COMPTOIR IND ETIRAGE
Inventor： JEAN BUFFET , ANDRE GUEUSSIER
IPC: C22C19/05
CPC classification number: C22C19/055 , Y10S72/70
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