VENTILATING PORT COVER

PROBLEM TO BE SOLVED: To provide a ventilating port cover which can gradually close an air supply port and prevent that the air supply port undesirably closes completely.SOLUTION: A ventilating port cover provided in the present invention comprises a main body part 2 having an insertion part 3 and a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ARIGA YOICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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