发明名称 Manhole cover with damping inlay
摘要 Manhole cover for roads and squares with a damping inlay which is distinguished by increased wear stability and aging resistance, the damping material being an MDI-based polyurethane with a Shore A Hardness of above 80, preferably above 90.
申请公布号 DE3624051(A1) 申请公布日期 1988.01.21
申请号 DE19863624051 申请日期 1986.07.16
申请人 PASSAVANT-WERKE AG & CO KG 发明人 EICHELMANN,HORST,DIPL.-ING.;FUCHS,ALFRED,ING.
分类号 E02D29/12;E02D29/14;(IPC1-7):E02D29/14;C09K3/10;C08G18/76 主分类号 E02D29/12
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