Process for producing a double-walled, cup-shaped glass container
DE19536708C1
Boro-silicate glass contg. zirconium and lithium oxide(s)
DE4430710C1
Low boric acid borosilicate glass and its use
DE4428234C1
Coloured boro-silicate glass useful e.g. as filter or solar absorber
DE4428233C1
Reducing melting and purifying raw materials in air atmosphere
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Colored borosilicate glass and its use
DE4428231C1
Prodn. of glass contg. titanium ions
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Borosilicate glass with high transmission in the UV range, low thermal expansion and high chemical resistance, process for its preparation and its use
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Reductively produced borosilicate glass having high transmission in the UV region and good hydrolytic resistance, and the use thereof
DE4317797C1
Externally mixing burner
DD295613A5
Device for forming standard-equipped boedes of glass tubes for the production process of flags or ampoule
DD295197A5
Arrangement for evaporating dotation fluid in the cvd process
DD301796A7
Brown borosilicate glass
DD339141B1
Method for producing heat-proof glass with reduced bulbs and stabilized melting technology
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Zirkonhaltiges borosilicate glass
DD301857A9
Process for the preparation of highly viscous ZrO2-Al2O3-containing glasses, in particular silicate glasses, with improved technological mixing and melting properties
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Device for mixing easily fluid liquids
DD298767A5
Ruhrer for homogenizing glass melts
DD301538A7
Tripping device for a thyristor power switch
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Device for pushing and pushing glass parts onto conveyor belts
