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经营范围
发明名称
Procédé pour l'épuration du plomb brut par filtration
摘要
申请公布号
FR895518(A)
申请公布日期
1945.01.26
申请号
FRD895518
申请日期
1943.06.15
申请人
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER
发明人
分类号
C22B9/02;C22B13/06
主分类号
C22B9/02
代理机构
代理人
主权项
地址
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