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DE977935C
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Cipher machine
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DE875932C
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Setting machine for separating fine particles according to their weight
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DE864982C
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Method and device for dividing mixtures of solids of different densities into fractions by means of setting machines
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DE887937C
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Method for preventing carbon-containing deposits in indirectly preheated feed lines of ovens heated with gaseous fuels
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DE927650C
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Process for displacing air and similar gases
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DE927506C
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Process for the production of oximes by reducing alicyclic nitroparaffins
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DE868903C
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Process for the production of pyromellitic acid from coke
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DE871883C
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Metal pit stamp with associated head
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DE864685C
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Procedure for lowering and lining pigs
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DE867801C
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Method and device for upward conveyance of mercury
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DE844585C
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Loose head and / or foot plate for pit punches
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DE878033C
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Pit stamp
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DE877181C
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Firebox wall, consisting of a row of vertical, spaced apart cooling tubes with welded projections, for shaft-like combustion chambers
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DE874841C
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Sampler
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DE972396C
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Shaft firing, preferably for coarse coke
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DE816676C
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Conveyor chute
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DE809169C
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Manufacture of building elements
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DE815267C
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Device for fastening or hanging up laboratory equipment
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DE930700C
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Process for arc welding of butt joints on workpieces with a hollow cylindrical shape
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DE848822C
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Process for reducing aromatic nitro compounds by means of an alkali amalgam in the presence of water
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