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AU3746493A
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Magnetisable substances for affecting ground properties
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CS527189A3
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Process for blacking chemically deposited nickel layers
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CS872988A1
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Device for shafts' sliding support and packing
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CZ832188A3
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Metallic and fluid-tight stuffing-box
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CZ664388A3
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Process of structural treatment of precipitated ferrites
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CS990787A1
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Ferro-liquid packing for a shaft
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CS849887A1
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Method of preparing precipitated ferrites magnetite,or magnetoplumbite type
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CS779387A1
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Method of ferroliquid production
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CS688187A1
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Modified epoxy substance
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CS678387A1
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Method of electrolyticion-exchanger regeneration in a mixed bed and device for carrying-out the method
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CS369387A1
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Method of production of the pushed rings and similar sealings
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CS858886A1
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Method of waters decontamination and detoxiaation with cyanide,nitrile and similar compounds or, if need be, heavy metals content
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CS858986A1
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Method of waters' biological decontamination and detoxication
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CS859086A1
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Equipment for water' biotechnological detoxication and decontamination with protective biotechnological filling
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CS859186A1
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Biotechnological cleaning stage of water wastes
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CS712986A1
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Currentless copper-plating bath
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CS589586A1
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Device for the current supply in the galvanic bath
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CS302686A1
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Method of nitridation or carbonitridation in salt melts
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CS961385A1
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Method of sealing surfaces forming on packing means
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CS250720B1
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Device for control of anode surface activity in galvanic bathes
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