UID:254001
UID:253493
aidenna:国家知识产权局:http://www.sipo.gov.cn/zljs/ jdRq6U^ 专利搜索引擎:http://www.soopat.com/ dFW=9ru+MQ (2014-03-22 12:41) IxSV? k
aidenna:比较常用而且好用的是soopat (2014-03-22 12:42) NrJzVGeS
UID:286078
UID:279842
UID:296086
UID:297146
UID:300687