A number of national invention patents
Witness the strength of enterprises
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patent for invention
The utility model relates to an elevator door plate laminating device
The invention relates to a quick locking structure of a call ladder box
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Appearance of the patent
Elevator control cabinet
Elevator outgoing call display window
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The software works
The utility model relates to an elevator signal acquisition system V1.0
The utility model relates to an elevator signal acquisition system V1.0
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Utility model
A winding machine
A new type of wire rope winding machine
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