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aidenna:比较常用而且好用的是soopat (2014-03-22 12:42) FUQT ,7CA
aidenna:国家知识产权局:http://www.sipo.gov.cn/zljs/ FvRog<3X 专利搜索引擎:http://www.soopat.com/ Cjw|.c` (2014-03-22 12:41) J"|o g|Tz
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