DE697069C
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chen, suitable as fertilizers calcium phosphates and trialkali phosphate
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DE698009C
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Process for the production of basic calcium phosphates suitable as fertilizers
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DE689510C
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Process for the manufacture of wood wool suitable for filtering purposes
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DE709014C
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Method and device for thermal dehairing and degassing of water
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DE694352C
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Process for the production of colorless phosphoric acid
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DE688200C
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Water softening system
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DE640648C
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Process and device for the continuous evaporation of phosphorus and for the production of phosphorus compounds
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DE635737C
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Process and device for evaporation of liquids
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DE694772C
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Aqueous paint on an inorganic basis
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DE670384C
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Manufacture of alkali and alkaline earth metaphosphates
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DE626257C
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Shut-off element in which a hose connected to the outlet nozzle is compressed by an angle lever
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DE625239C
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Production of pure disodium pyrophosphate containing or free of water of crystallization
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DE626732C
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Manufacture of sodium phosphates
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DE659433C
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Process for the preparation of crystallized sodium trimetaphosphate
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DE635911C
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Process for the production of resin glues
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DE631096C
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Process for the production of a durable, nitric acid, ammonium nitrate containing ammonium molybdate solution
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DE641502C
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Removal of crystal or constitutional water from alkali phosphates or mixtures of substances containing them
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DE578404C
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Separation of manganese from phosphoric acid
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DE620500C
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Device for uninterrupted dehumidification of water, especially boiler feed water
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DE629729C
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Device for the continuous dehydration of water
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