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GB800343A
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Method for the powder metallurgical manufacture of chromium alloys
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GB738045A
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Improvements relating to the treatment of metal melts
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GB484270A
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Improved method of producing metals and alloys having a low content of carbon and silicon
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DE688783C
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Electrode for the production of low-carbon and low-silicon metals and alloys
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GB403768A
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Method of manufacturing low-carbon chromium alloys
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GB159866A
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Method of producing cyanamide from calcium cyanamide
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GB151583A
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Method of producing cyanamide from calcium cyanamide
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