Self-repairing cement for thermal damage tunnel
The invention relates to the technical field of building materials, in particular to self-repairing cement for a thermal damage tunnel, the self-repairing cement is prepared from the following raw materials in percentage by mass: 67-89.5% of component A, 10-20% of component B, 0-10% of clay brick po...
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Format: | Patent |
Sprache: | chi ; eng |
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