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发明名称
POWDERED CHEMICAL SUBSTANCE SEPARATION
摘要
申请公布号
CA377391(A)
申请公布日期
1938.11.01
申请号
CAD377391
申请日期
申请人
CANADIAN GENERAL ELECTRIC COMPANY
发明人
WALTHER DAWIHL;KARL SCHROTER
分类号
主分类号
代理机构
代理人
主权项
地址
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