| 摘要 |
A knife consisting of blade, ferrule and shank, in which shank and blade are welded to opposite flat surfaces of the ferrule and consist of steel, and, in order to obtain a considerably simplified manufacture with the same utilitarian value, a sinter-steel ferrule is provided in connection with which the material of shank and ferrule have approximately the same hardness, which hardness is less than that of the material of the blade.
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