Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1997-11-14
1998-10-20
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23387, D23388, 2304
Patent
active
D03999416
REFERENCES:
patent: 4020753 (1977-05-01), Efstratis
Air Innovation Sweden AB
Lichtenstein Lisa
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