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Shaft furnace for the heat treatment of elongated workpieces
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Chrome-manganese steels for objects that have to be resistant to intergranular corrosion
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Adjustable grinding gauge for fillet cutters on cutting tools
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Die for forging objects made of light metal
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Process for making alloy steel
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Process for the heat treatment of ferromagnetic materials
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Process for patinating rust-resistant chrome-manganese-steel cutlery and table utensils