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发明名称
SWIMMING POOL WATER CLARIFIER
摘要
For use for clarifying the water in a swimming pool; an improved filter characterized by the absence of any replaceable particulate type filter media includes a fibrous porous filter member and a rigid, fibrous, porous support member.
申请公布号
US3631987(A)
申请公布日期
1972.01.04
申请号
USD3631987
申请日期
1969.10.24
申请人
PETER A. CATTANO SR.
发明人
PETER A. CATTANO SR.
分类号
B01D29/23;(IPC1-7):B01D35/00
主分类号
B01D29/23
代理机构
代理人
主权项
地址
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