valve room with dew condensation preventing function and manhole frame height adjusting function

According to the present invention, a valve chamber with a dew condensation prevention function and a manhole frame elevation adjustment function comprises: a valve chamber body provided to protect a valve facility connected to the middle of a path of a water and sewer pipe buried underground; a man...

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Bibliographische Detailangaben
Hauptverfasser:	JEONG, WON TAK, JUNG, KYUNG BOOK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HEATING HYDRAULIC ENGINEERING INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER LIGHTING MECHANICAL ENGINEERING RANGES SEWERAGE SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES VENTILATING WATER SUPPLY WEAPONS
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