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发明名称
METHOD FOR PRODUCING A FILTER,ESPECIALLYOF A WELL FILTER
摘要
申请公布号
PL151215(B1)
申请公布日期
1990.08.31
申请号
PL19860261479
申请日期
1986.09.19
申请人
发明人
分类号
B01D;B01D39/16;E03B3/18;(IPC1-7):B01D39/16
主分类号
B01D
代理机构
代理人
主权项
地址
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