发明授权
US5154780A Metallurgical products improved by deformation processing and method thereof 失效
通过变形加工改进的冶金产品及其方法

Metallurgical products improved by deformation processing and method
thereof
摘要:
This invention is characterized by working which improves metal formability. This is contrary to the usual result of working metals, where formability decreases during working.
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