Derniers inventions, produits et services
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2023
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Invention
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Sleeve grouting device and method for prefabricated building. Disclosed are a sleeve grouting dev... |
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Invention
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Prefabricated energy pile, construction method, and heat pump heat exchange system. Disclosed are... |
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2022
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Invention
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Prestressed pile and reinforcing construction method for prestressed pile used for deep muddy-soi... |
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Invention
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Prefabricated-building sleeve grouting device and method. A prefabricated-building sleeve groutin... |
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Invention
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Prefabricated energy pile, construction method and heat pump heat-exchange system. A prefabricate... |
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