Invention Grant
US08365672B2 Frangible bullet and its manufacturing method 失效
易碎的子弹及其制造方法

Frangible bullet and its manufacturing method
Abstract:
This invention describes a frangible bullet made from particles of a copper-based metal powder with the aid of an organic lubricant, which have been pressed so that the pressed particles have a density of more than 6.9 g/cm3, where the composition has been treated with thermal oxidation.
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