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G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/185—Control of temperature with auxiliary non-electric power
G05D23/1852—Control of temperature with auxiliary non-electric power with sensing element expanding and contracting in response to change of temperature
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FR807973D1935-07-191936-06-23Régulateur automatique de température
ExpiredFR807973A
(fr)