FR497128A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Gas burner for heaters
Assignee: MOTTET ET THIVOLET SOC
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Filing: 1919-03-05
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Granted: 1919-11-26
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Expires: 1939-03-05
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FR
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google_patents
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2026-11-01 19:59
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