FR643274A - Perfectionnements apportés au grillage et à l'agglomération des minerais fins ou autres matières fines, ou à l'une de ces deux opérations
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Perfectionnements apportés au grillage et à l'agglomération des minerais fins ou autres matières fines, ou à l'une de ces deux opérations
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CIE DES METAUX OVERPELT LOMMEL
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CIE DES METAUX OVERPELT LOMMEL
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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B1/00—Preliminary treatment of ores or scrap
C22B1/02—Roasting processes
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Environmental & Geological Engineering
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Geology
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Materials Engineering
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FR643274D1927-01-261927-11-02Perfectionnements apportés au grillage et à l'agglomération des minerais fins ou autres matières fines, ou à l'une de ces deux opérations
ExpiredFR643274A
(fr)
Perfectionnements à des objets destinés, entr'autres choses, à portor des inscriptions et principalement aux lambrequins des tentes employées pour couvrir momentanément des lieux habituellement découverts