FR792927A - Perfectionnements apportés aux dispositifs de sécurité pour canalisations de fluides gazeux, notamment de fluides inflammables
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Perfectionnements apportés aux dispositifs de sécurité pour canalisations de fluides gazeux, notamment de fluides inflammables
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F23Q9/08—Pilot flame igniters with interlock with main fuel supply
F23Q9/12—Pilot flame igniters with interlock with main fuel supply to permit the supply to the main burner in dependence upon existence of pilot flame
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FR792927D1935-07-251935-07-25Perfectionnements apportés aux dispositifs de sécurité pour canalisations de fluides gazeux, notamment de fluides inflammables
ExpiredFR792927A
(fr)