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US2256913A
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Manufacture of wire-drawing dies
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High-speed steel
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High-speed steel
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High-speed steel
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Manufacture of wire-drawing dies
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High-speed tool steel
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High-speed steel
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Improvements relating to manganese steel
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Method of producing articles of hadfield manganese steel
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Forgeable high speed steel
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Improvements in or relating to electric muffle furnaces particularly for brazing tool tips to tool shanks
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Furnace for brazing
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Hard cemented carbide material
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Alloy
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Improvements in or relating to hard cemented carbide material
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Improvements in or relating to hard metal compositions
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Die lapping machine
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GB427484A
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Improvements in or relating to high speed steels
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Hard metal composition
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US1981719A
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Hard cemented carbide material
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