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发明名称
Drainage channel system
摘要
申请公布号
GB0410475(D0)
申请公布日期
2004.06.16
申请号
GB20040010475
申请日期
2004.05.11
申请人
HEPWORTH BUILDING PRODUCTS LIMITED
发明人
分类号
E01C11/22;E03F3/04
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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