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经营范围
发明名称
Electrical purification of liquids
摘要
申请公布号
US2093770(A)
申请公布日期
1937.09.21
申请号
US19330651507
申请日期
1933.01.13
申请人
JEAN BILLITER
发明人
BILLITER JEAN
分类号
C02F1/469
主分类号
C02F1/469
代理机构
代理人
主权项
地址
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