| 发明名称 |
Material for sealing borehole walls |
| 摘要 |
Ground milk-of-lime grit with a maximum grain size of 0.75 mm is mixed with calcium or magnesium chloride and water to form a pumpable mixture which sets into an acid soluble mass only after about 1.5 to 4 hours.
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| 申请公布号 |
US4670056(A) |
申请公布日期 |
1987.06.02 |
| 申请号 |
US19840670363 |
申请日期 |
1984.11.09 |
| 申请人 |
ALSDORF, HERMANN;DITTMAR, ARMIN |
发明人 |
ALSDORF, HERMANN;DITTMAR, ARMIN |
| 分类号 |
C04B28/30;C09K8/504;(IPC1-7):C04B9/00 |
主分类号 |
C04B28/30 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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