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发明名称
Procédé de fabrication de baguettes de métal d'apport et baguettes fabriquées par ce procédé
摘要
申请公布号
FR953686(A)
申请公布日期
1949.12.12
申请号
FRD953686
申请日期
1947.10.02
申请人
发明人
ROCHAT JEAN
分类号
B22D21/00
主分类号
B22D21/00
代理机构
代理人
主权项
地址
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