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A BLANK FOR A GUN BARREL AND A METHOD FOR PRODUCTION OF A GUN BARREL
A BLANK FOR A GUN BARREL AND A METHOD FOR PRODUCTION OF A GUN BARREL
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机译:炮筒坯料及炮筒生产方法
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摘要
The present invention relates to a blank for a gun barrel,consisting of a steel bar, characterized in that said bar has been repeatedly wrung about its own longitudinal axis to a pitch angle of 45-90degre in one or more hot working steps. The present invention also relates to a method for production of a gun barrel.
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