DUCT FOR AIR CONDITIONING AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a duct for air conditioning, formed such that a duct itself forms a foam being high in heat insulation property and high in magnification, the duct is constituted by only molding one resin and the number of works is reduced, control of thickness is facilitated accord...

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Bibliographische Detailangaben
1. Verfasser: HATTORI SHOZO
Format: Patent
Sprache:eng
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