Early warning device
The utility model provides an early warning device, and relates to the technical field of heave floor processing, the early warning device comprises a mounting shell, the inner side wall of the mounting shell is provided with a sliding groove, the mounting shell is slidably connected with a sliding...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
17.11.2023
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Subjects | |
Online Access | Get full text |
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