对实用新型实质条件改革的思考
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1003-0476|volume|9|62-67
ISSN： 1003-0476
Source： 知识产权, Vol.volume, Iss.9, 2015-01, pp. : 62-67
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Abstract