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DE1081177B
|
|
Process for the regeneration of used gas cleaning mass
|
|
DE1006835B
|
|
Process for the extraction of sulfur from sulfur-containing gas cleaning mass and from other elemental sulfur-containing substances
|
|
DE1147193B
|
|
Process for coking gas-rich coals with the addition of additives without prior briquetting
|
|
DE970194C
|
|
Process for the production of sulfur from sulfur-containing gas cleaning mass and from other elemental sulfur-containing substances
|
|
DE957217C
|
|
Process for melting foundry iron in a cupola furnace
|
|
ES207882A1
|
|
Procedure for the obtaining of coke containing iron (Machine-translation by Google Translate, not legally binding)
|
|
ES207881A1
|
|
Procedure to influence the agglutinability of carbon (Machine-translation by Google Translate, not legally binding)
|
|
GB734041A
|
|
Production of useful combustible gas from caking bituminous fuels
|
|
DE1146844B
|
|
Process for coking gas-rich coals for the production of ore coke
|
|
DE1020307B
|
|
Process for the production of iron or iron ore-containing coke
|
|
DE1017138B
|
|
Process for the production of dense, solid and coarse coke from bituminous coals
|
|
DE1022554B
|
|
Process for coking gas-rich coals
|
|
US2769609A
|
|
Gate valve
|
|
GB690073A
|
|
Improvements in slide-action stop valves
|
|
GB718329A
|
|
Improvements in and relating to slide-action stop valves
|
|
GB718272A
|
|
Improvements in and relating to slide-action stop valves
|
|
DE967852C
|
|
Gate valve for gas lines
|
|
DE860587C
|
|
Stopcock for gas, steam and liquid lines
|
|
DE966051C
|
|
Gate valve for gas lines
|
|
DE822089C
|
|
Process for the direct extraction of steel from iron ores and scrap
|
