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发明名称
FILTER CARTRIDGE
摘要
申请公布号
PL148385(B1)
申请公布日期
1989.10.31
申请号
PL19860259542
申请日期
1986.05.16
申请人
发明人
分类号
E03B3/18;(IPC1-7):E03B3/18
主分类号
E03B3/18
代理机构
代理人
主权项
地址
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