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发明名称
Untergrunddrainage
摘要
申请公布号
DE69226297(T2)
申请公布日期
1999.02.25
申请号
DE19926026297T
申请日期
1992.02.11
申请人
HEPWORTH BUILDING PRODUCTS LTD., SHEFFIELD, GB
发明人
STANIFORTH, GRAEME, ORMSKIRK, LANCS. L40 2QH, GB
分类号
E02B11/00;E02D3/10;(IPC1-7):E02B11/00;F16L37/00;F16L37/24
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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