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发明名称
Rigid filter with reverse jet cleaning device
摘要
申请公布号
US2765048(A)
申请公布日期
1956.10.02
申请号
US19540428241
申请日期
1954.05.07
申请人
HERSEY JR HENRY J
发明人
JR. HENRY J. HERSEY,
分类号
B01D46/04
主分类号
B01D46/04
代理机构
代理人
主权项
地址
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