Heat exchanger core
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United States of America Patent
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Feb 9, 1988
Grant Date -
N/A
app pub date -
Aug 13, 1985
filing date -
Aug 15, 1984
priority date (Note) -
Expired
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Abstract
A heat exchanger core having a tube of aluminum material and heat transfer fins of aluminum material joined to each other with a brazing filler, which has at least part of the surface thereof coated with an inorganic sintered layer incorporating therein a pigment-containing phase of the two complexes of potassium hexafluoroaluminate and potassium tetrafluoroaluminate.
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