Invention Patent—A Hard Alloy for Ball-tooth Drill Bits Suitable for Welding Processing
Invention Patent—A Method for Incorporating Paraffin Molding Agents into Cemented Carbide Mixtures
Invention Patent—A Method for Measuring the Temperature Field Inside a Sintering Furnace
Design Patent—Cemented Carbide Wedge Teeth
Design Patent—Hardmetal for Cutting Teeth
Invention Patent—A Method for Manufacturing Coarse-Grained Tungsten Carbide Cemented Carbides
Invention Patent—A Chamfering Device and Chamfering Method for the Cutting Edge of a Circular Blade
Design Patent—Cemented Carbide Composite Substrate (Grooved Type)
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