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发明名称
Drainpipe filter
摘要
申请公布号
GB2250689(A)
申请公布日期
1992.06.17
申请号
GB19900027166
申请日期
1990.12.14
申请人
JOHN ANTHONY * PEARSON
发明人
JOHN ANTHONY * PEARSON
分类号
B01D35/02;E04D13/08
主分类号
B01D35/02
代理机构
代理人
主权项
地址
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