VACUUM HEAT INSULATING MATERIAL, METHOD FOR MANUFACTURING VACUUM HEAT INSULATING MATERIAL, INSTALLATION STRUCTURE FOR VACUUM INSULATING MATERIAL, AND HOT-WATER STORAGE TANK WITH VACUUM HEAT INSULATING MATERIAL
A vacuum thermal insulation material (1) comprises a core material (3) that is formed with a fibrous member and has a core material penetrating hole (3a) formed therein; and an exterior cover (4) that has an exterior cover penetrating hole (4d) formed therein in a position corresponding to the core...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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