AIR CONDITIONER FOR BUILDING

PROBLEM TO BE SOLVED: To shorten a route of a horizontal piping duct by forming a duct opening communicating with a duct main pipe at a lower floor of a door in the state that the door is closed, providing a piping duct communicating with the duct opening in the door, and providing an air outlet at...

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1. Verfasser: AOKI MASASATO
Format: Patent
Sprache:eng
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