Detachable construction safety signboard for expressway and installation method
The invention discloses a detachable construction safety signboard for a highway and an installation method, and belongs to the technical field of highway construction equipment. The signboard comprises a stand column, a supporting assembly, connecting frames and a signboard body, the supporting ass...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
02.12.2022
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Subjects | |
Online Access | Get full text |
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