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经营范围
发明名称
SEMIPERMEABLE MEMBRANE CLEANING MEANS
摘要
申请公布号
US3425562(A)
申请公布日期
1969.02.04
申请号
USD3425562
申请日期
1966.07.22
申请人
AMERICAN STANDARD INC.
发明人
EDWARD A.G. HAMER
分类号
B01D35/24;B01D65/08;(IPC1-7):B01D35/24;B01D13/00
主分类号
B01D35/24
代理机构
代理人
主权项
地址
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