FR406455A - Appareil pour controler à des moments déterminés l'allumage et l'extinction du gaz, l'écoulement de fluides et autres usages analogues
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Appareil pour controler à des moments déterminés l'allumage et l'extinction du gaz, l'écoulement de fluides et autres usages analogues
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F23Q9/02—Pilot flame igniters without interlock with main fuel supply
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FR406455D1908-08-291909-08-25Appareil pour controler à des moments déterminés l'allumage et l'extinction du gaz, l'écoulement de fluides et autres usages analogues
ExpiredFR406455A
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Improvements in and relating to Apparatus for Controlling at Pre-determined Times the lighting and Extingushing of Gas, the Flow of Fluids, and for analogous uses