High-strength stable connecting device for prefabricated floor slab
The utility model discloses a high-strength stable connecting device for a prefabricated floor slab, and aims to solve the technical problems that the upper acting force cannot be buffered in the prior art, the prefabricated floor slab is easy to incline after a long time, and the whole structural c...
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Format: | Patent |
Sprache: | chi ; eng |
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