FR768875A - Appareil à chauffer le vent ou dispositif d'échange de chaleur analogue dans lequel l'un au moins des agents utilisés est un gaz
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Appareil à chauffer le vent ou dispositif d'échange de chaleur analogue dans lequel l'un au moins des agents utilisés est un gaz
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BROWN
BBC Brown Boveri AG Germany
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BROWN
Brown Boveri und Cie AG Germany
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C21B9/00—Stoves for heating the blast in blast furnaces
C21B9/10—Other details, e.g. blast mains
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Engineering & Computer Science
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Chemical & Material Sciences
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Materials Engineering
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Organic Chemistry
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FR768875D1933-02-201934-02-20Appareil à chauffer le vent ou dispositif d'échange de chaleur analogue dans lequel l'un au moins des agents utilisés est un gaz
ExpiredFR768875A
(fr)