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GB457764A
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Improvements in and relating to a process for protecting iron and steel
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|
GB404180A
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|
Improvements in and relating to the treatment of iron castings to improve their physical characteristics
|
|
GB411982A
|
|
Improvements in or relating to processes for treating iron and steel to improve their heat-resisting and/or physical qualities
|
|
GB390049A
|
|
Improvements in the production of spongy iron
|
|
GB386569A
|
|
Process for the roasting of ferruginous materials
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|
GB356071A
|
|
Improvements in and relating to heaters suitable for gaseous fluids
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US1891879A
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|
Heater suitable for gaseous fluids
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IE11726L
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|
Heater
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US1943171A
|
|
Cementation mixture for ferrous metals
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IE11402L
|
|
Iron ore agglomeration
|
|
IE11716L
|
|
Coating for ferrous metals
|
|
IE11266L
|
|
Treatment of zinc ores
|
|
GB352832A
|
|
Improvements in and relating to the agglomeration of finely-divided ferruginous ores, concentrates and the like
|
|
US1866203A
|
|
Agglomeration of finely-divided ferruginous ores, concentrates and the like
|
|
GB337636A
|
|
Improvements in processes for treatment by volatilisation of zinc ores and mixtures thereof
|
|
GB337635A
|
|
Improvements in or relating to cementation processes for ferrous metals
|
|
GB337562A
|
|
Improvements in or relating to a process for protecting iron and steel
|
|
GB312667A
|
|
Process of treating ores
|
|
US1813042A
|
|
Process for the treatment of zinciferous and composite ores, by the volatilization of metallic elements
|
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GB178509A
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Improvements in low pressure burners for liquid combustibles
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