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经营范围
发明名称
Bleaching process for fluids
摘要
申请公布号
US2369757(A)
申请公布日期
1945.02.20
申请号
US19400358942
申请日期
1940.09.28
申请人
HEINRICH SCHMIDT
发明人
SCHMIDT HEINRICH
分类号
C11B3/08;C13B20/08
主分类号
C11B3/08
代理机构
代理人
主权项
地址
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