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经营范围
发明名称
Appareil récupérateur d'or fonctionnant sans eau
摘要
申请公布号
FR969565(A)
申请公布日期
1950.12.21
申请号
FRD969565
申请日期
1948.07.27
申请人
发明人
EYCHENNE HENRI-FRANCOIS
分类号
C22B11/10
主分类号
C22B11/10
代理机构
代理人
主权项
地址
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