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经营范围
发明名称
SPACED WALL TYPE,REVERSE OSMOSIS FILTER ASSEMBLY
摘要
申请公布号
US3504801(A)
申请公布日期
1970.04.07
申请号
USD3504801
申请日期
1969.07.25
申请人
ARMY USA
发明人
NELSON E. ALEXANDER
分类号
B01D63/06;(IPC1-7):B01D31/00;B01D13/00
主分类号
B01D63/06
代理机构
代理人
主权项
地址
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