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发明名称
Drainage system
摘要
申请公布号
GB9422791(D0)
申请公布日期
1995.01.04
申请号
GB19940022791
申请日期
1994.11.11
申请人
HEPWORTH BUILDING PRODUCTS LIMITED
发明人
分类号
E03F5/10;E03C1/12;E03F5/04;F16L11/18;F16L21/02;F16L25/14;F16L43/00;F16L45/00;F16L47/32
主分类号
E03F5/10
代理机构
代理人
主权项
地址
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