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发明名称
Water-treating apparatus
摘要
申请公布号
US2170975(A)
申请公布日期
1939.08.29
申请号
US19370174104
申请日期
1937.11.11
申请人
THE PERMUTIT COMPANY
发明人
PICK ERIC
分类号
C02F9/00
主分类号
C02F9/00
代理机构
代理人
主权项
地址
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