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经营范围
发明名称
TRUNNION VALVE FOR CONTINUOUS ROTARY FILTERS
摘要
申请公布号
US3455454(A)
申请公布日期
1969.07.15
申请号
USD3455454
申请日期
1967.12.20
申请人
DORR OLIVER INC.
发明人
JOHN A. SHEAFFER
分类号
B01D33/00;(IPC1-7):B01D33/08;B01D33/06;B01D33/02
主分类号
B01D33/00
代理机构
代理人
主权项
地址
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