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摘要
申请公布号
US3066803(A)
申请公布日期
1962.12.04
申请号
US19580763524
申请日期
1958.09.26
申请人
WALKER MANUFACTURING COMPANY
发明人
JR. EDWARD C. SEILS,
分类号
B01D35/30
主分类号
B01D35/30
代理机构
代理人
主权项
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