AN EMPIRICAL-ANALYSIS OF FIRM PROCESS AND PRODUCT PATENTING

被引：15

作者：

LUNN, J

机构：

来源：

关键词：

D O I：

10.1080/00036848700000106

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

引用

页码：743 / 751

页数：9

共 22 条

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