FR849501A -
Improvements made to systems for regulating heating installations, in particular those for central heating, depending on the outside temperature
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Improvements made to systems for regulating heating installations, in particular those for central heating, depending on the outside temperature
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G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/19—Control of temperature characterised by the use of electric means
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Automation & Control Theory
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FR849501D1938-08-041938-08-04
Improvements made to systems for regulating heating installations, in particular those for central heating, depending on the outside temperature
ExpiredFR849501A
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