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发明名称
AUTOMATIC, SELF-CLEANING AIR RELIEF SYSTEM FOR DIATOMACEOUS EARTH FILTER TANKS
摘要
申请公布号
US3608725(A)
申请公布日期
1971.09.28
申请号
USD3608725
申请日期
1969.10.13
申请人
DOMAIN INDUSTRIES INC.
发明人
WILLIAM A. ODEN
分类号
B01D29/00;(IPC1-7):E04H3/16
主分类号
B01D29/00
代理机构
代理人
主权项
地址
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