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经营范围
发明名称
PROCEDE POUR RENDRE ETANCHE A L'AIR UN DISPOSITIF D'OBTURATION D'UNE POCHE DE COULEE ET DISPOSITIF PREVU A CET EFFET
摘要
申请公布号
BE891379(A1)
申请公布日期
1982.06.07
申请号
BE19810206760
申请日期
1981.12.07
申请人
VESUVIUS INTERNATIONAL CORP.
发明人
分类号
B22D41/42;(IPC1-7):C21C/
主分类号
B22D41/42
代理机构
代理人
主权项
地址
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