发明名称 Formstein, insbesondere aus Beton
摘要 The invention relates to a shaped block (1), especially a concrete block, for paving. The inventive block has groove-shaped recesses (9, 16) on the underside (8) for improved water drainage, said recesses being positioned preferably vertically on top of each other so as to form cross-shaped channels.
申请公布号 DE19718363(A1) 申请公布日期 1998.11.05
申请号 DE19971018363 申请日期 1997.05.02
申请人 SCHEIWILLER, ROLF, HERGISWIL, CH 发明人 SCHEIWILLER, ROLF, HERGISWIL, CH
分类号 E01C11/22;(IPC1-7):E01C5/06 主分类号 E01C11/22
代理机构 代理人
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