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发明名称
METHOD OF DRAINING OFF WATER IN PARTICULAR FROM THROUGH-LIKE STRUCTURES
摘要
申请公布号
PL332837(A1)
申请公布日期
1999.11.08
申请号
PL19990332837
申请日期
1999.04.27
申请人
GROETZ GEORG
发明人
GROETZ GEORG
分类号
E03F3/02;(IPC1-7):E02B11/00
主分类号
E03F3/02
代理机构
代理人
主权项
地址
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