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我国有效专利区域分布状况分析
Release time:2022-07-01 Hits:
Indexed by:期刊论文
First Author:yangzhongkai
Correspondence Author:沈露威
Date of Publication:2022-07-01
Journal:情报杂志
Affiliation of Author(s):人文与社会科学学部
Document Type:J
Issue:5
Page Number:62-65,36
ISSN No.:1002-1965
Translation or Not:no