| 发明名称 |
Carbon black-contg concrete road-surfacing compsn - with improved skid-resistance and compressive strength |
| 摘要 |
<p>Concrete compsn. for uses as a road surfacing material contains carbon black (of petroleum origin) in an amt. of 7-10 wt. % based on wt. of cement used in the concrete. Surfaces formed from the compsn. show improved anti-skid characteristics and compressive strength.</p> |
| 申请公布号 |
FR2238806(A2) |
申请公布日期 |
1975.02.21 |
| 申请号 |
FR19730027556 |
申请日期 |
1973.07.27 |
| 申请人 |
NOBLET HENRI,FR |
发明人 |
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| 分类号 |
C04B14/02;E01C7/14;(IPC1-7):01C7/00;04B31/10 |
主分类号 |
C04B14/02 |
| 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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