4. E - Fixed Constructions
  5. 04
  6. D

John C. Hollick

E - Fixed Constructions – 04 – D

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Inventor

Country: Canada

Method and apparatus for cooling ventilation air for a building

F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent

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Method and apparatus for preheating ventilation air for a...

E - Fixed Constructions – 04 – D
Patent

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Method for preheating ventilation air in a building

F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent

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Method for preheating ventilation air in a building

F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent

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Profile ID: LFCA-PAI-P-1175113

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