Derniers inventions, produits et services
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2022
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Invention
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Experimental system of surrounding rock and lining structure under unequal surrounding pressure a... |
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2020
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Invention
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In-situ square sample acquisition device and method for bond contact test of surrounding rock and... |
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2015
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Invention
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Abrasion-resistant coating material and method of using the same. A coating material, including a... |
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2013
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Invention
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Anti-abrasion coating for concrete surface of dam and method for brushing the same. An anti-abras... |
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