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公开(公告)号:CH316861A
公开(公告)日:1956-10-31
申请号:CH316861D
申请日:1953-07-23
Applicant: COMPTOIR IND ETIRAGE
Inventor: JACQUES SEJOURNET
IPC: B21C23/22
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公开(公告)号:CH290662A
公开(公告)日:1953-05-15
申请号:CH290662D
申请日:1951-04-20
Applicant: COMPTOIR IND ETIRAGE
Inventor: JACQUES SEJOURNET
IPC: B21C23/32
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