WHAT ARE DESIGN PATENTS AND WHEN ARE THEY USEFUL

被引：0

作者：

SILVERMAN, AB

机构：

来源：

JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY | 1993年 / 45卷 / 03期

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D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

引用

页码：63 / 63

页数：1

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