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aidenna:国家知识产权局:http://www.sipo.gov.cn/zljs/ 6Yln,rC 专利搜索引擎:http://www.soopat.com/ 094o'k (2014-03-22 12:41) ~sh`r{0
aidenna:比较常用而且好用的是soopat (2014-03-22 12:42) Po^?QVJ7
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