TREA

Michel Ronc

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  • St-Priest, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for storing calories
    • Patent number 4,221,259
    • Issue date Sep 9, 1980
    • Elf-Union
    • Michel Ronc
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Solar energy absorbing roof
    • Patent number 4,201,193
    • Issue date May 6, 1980
    • Elf-Union
    • Michel Ronc
    • F24 - HEATING RANGES VENTILATING