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aidenna:比较常用而且好用的是soopat (2014-03-22 12:42) i "xq SLf=
aidenna:国家知识产权局:http://www.sipo.gov.cn/zljs/ 3B,nHU 专利搜索引擎:http://www.soopat.com/ i"r=b%;; (2014-03-22 12:41) v<O\ l~S
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