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aidenna:比较常用而且好用的是soopat (2014-03-22 12:42) v5;V$EGD&
aidenna:国家知识产权局:http://www.sipo.gov.cn/zljs/ bZE;}d 专利搜索引擎:http://www.soopat.com/ NT6OGBl& (2014-03-22 12:41) y\Z$8'E5W
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