Pre-embedded and prefabricated magnetic attraction end guiding type building crack repairing device and method based on magnetic force
The invention provides a pre-embedded and prefabricated magnetic attraction end guiding type building crack repairing device and a method based on magnetic force. The device comprises a steel bar pre-embedded in a reinforced concrete beam body; the steel bar is wound with a tinned copper wire; the t...
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Format: | Patent |
Sprache: | chi ; eng |
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