发明名称 Hydromechanical transport of hydraulic - ally setting cement for damming of
摘要 Hydromechanical transport of hydraulically setting cement for damming of pit pipes and spraying inside. Anhydride (CaSO4) is used with an addition of accelerator to set the anhydride and amount of water exceeding that necessary for setting.
申请公布号 DE1817420(A1) 申请公布日期 1970.07.16
申请号 DE19681817420 申请日期 1968.12.30
申请人 GELSENKIRCHNER BERGWERKS-AG 发明人 MANFRED GENTHE,DR.-ING.
分类号 C04B28/16 主分类号 C04B28/16
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