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经营范围
发明名称
Procédé de fabrication de lingots cannelés
摘要
申请公布号
FR1224969(A)
申请公布日期
1960.06.28
申请号
FR19590786242
申请日期
1959.02.10
申请人
PECHINEY
发明人
分类号
B21B1/02;B21B1/46;B21B15/00;B21J5/00;B22D11/12;B23D31/00
主分类号
B21B1/02
代理机构
代理人
主权项
地址
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