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发明名称
OBTURATOR AT THE EXTREMITIES OF A MACHINE FOR TREATING SHEET MATERIAL
摘要
申请公布号
EP0056538(B1)
申请公布日期
1985.03.06
申请号
EP19810401949
申请日期
1981.12.08
申请人
UNION SIDERURGIQUE DU NORD ET DE L'EST DE LA FRANCE PAR ABREVIATION "USINOR"
发明人
GERMAIN, ALFRED;ROTH, BERNARD
分类号
C21D9/56;B21B45/02;C21D9/52;C21D9/573;(IPC1-7):B21B45/02;C21D9/54
主分类号
C21D9/56
代理机构
代理人
主权项
地址
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