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经营范围
发明名称
Procédé de pressage à éjection pour la fabrication de pièces d'ouvrage pleines et creuses en alliages de métaux légers, tels que le duralumin et les alliages similaires
摘要
申请公布号
FR860177(A)
申请公布日期
1941.01.08
申请号
FRD860177
申请日期
1939.06.15
申请人
发明人
SINGER FRITZ
分类号
B21C25/02
主分类号
B21C25/02
代理机构
代理人
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地址
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