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DE386820C
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Arc furnace for melting metals and alloys
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DE367637C
|
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Device to avoid the formation of cavities and segregation when casting blocks made of steel or other metals
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GB191413951A
|
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Improvements in or relating to Electric Furnaces for Metallurgical or other purposes.
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GB190913295A
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Improvements in or relating to Electric Furnaces.
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GB190623555A
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A Process for the Treatment of Willow Bark and other Bast Containing Material in order to Produce Long Fibres suitable for Spinning.
|
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GB190623556A
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Apparatus for the Treatment of Willow Bark and other Bast Containing Material in order to Produce Long Fibres Suitable for Spinning.
|
|
GB190508721A
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Improvements in Processes of Preparing Nitrogen-oxygen Compounds by Means of Electricity.
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