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发明名称
PLEATED PAPER FILTER AND METHOD OF MAKING SAME
摘要
申请公布号
US3520417(A)
申请公布日期
1970.07.14
申请号
USD3520417
申请日期
1969.07.02
申请人
CARBORUNDUM CO.:THE
发明人
LARRY L. DURR;EDWARD D. FULTON
分类号
B01D29/11;(IPC1-7):B01D27/06
主分类号
B01D29/11
代理机构
代理人
主权项
地址
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