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发明名称
Improvements in or relating to drainage apparatus
摘要
申请公布号
GB9517444(D0)
申请公布日期
1995.10.25
申请号
GB19950017444
申请日期
1995.08.25
申请人
C.I.S.(CAST IRON SERVICES) LIMITED
发明人
分类号
E01C11/22;E01D19/08
主分类号
E01C11/22
代理机构
代理人
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地址
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