Surveillance equipment ascending and descending apparatus

The present invention relates to an ascending and descending device of an installation road where surveillance equipment is installed in an upper portion of a support. More specifically, a moving nut (35) is spirally coupled to a rotary axial rod (30) axially installed inside the support (10) to ena...

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Bibliographische Detailangaben
1. Verfasser:	PARK, DAE SOON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY FENCING FIXED CONSTRUCTIONS GENERATION GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MASTS MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SWIMMING OR SPLASH BATHS OR POOLS SYSTEMS THEREOF TENTS OR CANOPIES, IN GENERAL VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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