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发明名称
Procédé et appareil pour le faconnage de pièces
摘要
申请公布号
FR938749(A)
申请公布日期
1948.10.22
申请号
FRD938749
申请日期
1946.11.08
申请人
CALUMET AND HECLA CONSOLIDATED COPPER COMPANY
发明人
分类号
B01D41/04;B21D41/04;B29C57/10
主分类号
B01D41/04
代理机构
代理人
主权项
地址
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