基于竞争专利网络的技术竞争多维分析：以3D打印技术为例

魏玉梅　滕广青　郭思月　庹　锐

Multidimensional Analysis on Technological Competition Based on Competing Patent Network：Taking 3D Printing Technology as an Example

信息资源管理学报 . 2020, (4): 99 -108 . DOI: 10.13365/j.jirm.2020.04.099