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GB518316A
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Improvements in or relating to annealing furnaces
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US2199521A
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Contrivance for treating materials within a gas atmosphere of increased pressure
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GB516683A
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Improvements in or relating to furnaces
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GB515121A
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Apparatus for the treatment of materials with gases under pressure
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US2253897A
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Contrivance for treating materials within a gas atmosphere of increased pressure
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GB486698A
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Improvements in a method of and apparatus for stacking sheets
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GB458168A
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Method of heating and plant for annealing metallic material or of smelting ores
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GB433688A
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A method of conveying annealed metal sheets (packets of stampings) in a cooling conduit associated with the annealing furnace
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