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经营范围
发明名称
PROCESS OF WATER CLARIFICATION
摘要
申请公布号
US3509047(A)
申请公布日期
1970.04.28
申请号
USD3509047
申请日期
1969.01.13
申请人
PETROLITE CORP.
发明人
BRIAN M. RUSHTON
分类号
C02F1/52;C02F1/54;C08G69/00;(IPC1-7):B01D21/01;C02B1/20
主分类号
C02F1/52
代理机构
代理人
主权项
地址
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