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经营范围
发明名称
FLOTATIONSAPPARAT
摘要
申请公布号
DD292388(A5)
申请公布日期
1991.08.01
申请号
DD19900338430
申请日期
1990.03.06
申请人
TU "OTTO VON GUERICKE",DE
发明人
POLT,GEORG,DE
分类号
B03D1/22;(IPC1-7):B03D1/22
主分类号
B03D1/22
代理机构
代理人
主权项
地址
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