DE3662491D1
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1989-04-27
Method and device for the controlled feeding of colour concentrates to machines using helices
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1990-03-21
Electrode assembly and apparatus
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1989-11-23
Apparatus for preheating and charging raw materials for electric furnace
EP0288085A3
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1989-01-18
Method and means for fast heating of electric heating device
GB8629377D0
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1987-01-21
Electrode belt device
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1989-02-08
Briquet for gas and electric grills
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1989-07-19
Electrically powered heating elements and controls therefor
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1991-06-26
Electrical components and assemblies
YU44572B
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1990-10-31
Process for producing silicon or ferrosilicium in low-shaft electric furnace
GB2173380B
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1988-12-21
Electric arc melting apparatus and associated method
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1989-11-29
Smelting furnace and method for feeding material to be processed therein
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1989-08-23
Method and device for supplying electric current to ceramic heaters
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1989-10-26
Device to raise and pivot the top of an arc furnace
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1990-01-17
Battery assembly process and apparatus
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1989-01-25
Microweld process and apparatus with an improved electrode tip design
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1986-04-09
Electronic voltage regulating device
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1991-05-29
Electric cooking unit and electric cooking apparatus
ZA867231B
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1987-04-29
Means in self-baking electrodes
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1988-09-15
Device for fastening and electric feeding of electrode in electroslag furnaces
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1989-10-25
Method and apparatus for the pyrometallurgical treatment of finely divided materials
GR862732B
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1987-01-02
Apparatus for measuring the length of electrodes in an electric furnace
ZA888213B
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1989-07-26
Positioning of feeder electrodes on electric reduction and arc funaces
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1988-09-15
Sealer of electrode openings in electro- arc furnaces and methods for its manufacture
GB2172586B
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1988-09-28
Metallurgical composites and processes
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1989-03-30
Device for the injection of gases into molten metals and minerals