FREEZING PREVENTION DEVICE FOR ROOF DRAIN

PROBLEM TO BE SOLVED: To provide a freezing prevention device for a roof drain being capable of easy check of a current flow through a thermostat, easy maintenance for thermostat or the like and capable of restricting damages to electric power cable without disturbing other equipment. SOLUTION: A th...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	IMAI MASAYASU
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING FIXED CONSTRUCTIONS GUTTERS ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS
Online-Zugang:	Volltext bestellen
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