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Gustav F Gerdts KG
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Gustav F Gerdts KG
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Publication of FR73907EpublicationCriticalpatent/FR73907E/en
G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/01—Control of temperature without auxiliary power
G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
G05D23/08—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature with bimetallic element
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Automation & Control Theory
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FR73907D1953-09-021956-08-06
Method and installation for uniform heating of heat exchangers
ExpiredFR73907E
(en)