Heat-insulating construction
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United States of America Patent
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Mar 23, 1982
Grant Date -
N/A
app pub date -
Mar 7, 1980
filing date -
Nov 9, 1979
priority date (Note) -
Expired
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Abstract
A heat-insulating construction comprising a sealed empty chamber in which the external lower surface consists of a reflective surface, and a refractory fiber layer connecting to the lower side of said chamber.
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