DE706552C
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Hammer crusher
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DE601279C
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Filter candle
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DE543088C
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Filter candle
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DE550309C
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Pressure filter
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DE435266C
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Evaporator with field tubes
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DE457478C
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Distillation device for fine-grain bulk goods
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DE403047C
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Evaporator
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DE456891C
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Distillation device for fine-grain bulk goods
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DE328448C
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Device for continuous loosening of crude potash salts u. like
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DE324583C
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Device for the continuous decomposition, dissolving and covering of potassium salts and the like. like
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DE330357C
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Rotating evaporation drum for salty liquids and like
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DE545192C
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Filter body
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