Protection warning device for communication optical cable
The utility model relates to a protective warning device for a communication optical cable, which belongs to the technical field of optical cable protective warning equipment, and comprises a sleeve rod, a storage battery is charged by a flexible solar charging panel in the daytime through the arran...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.12.2020
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Subjects | |
Online Access | Get full text |
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