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aidenna:國家知識(shí)產(chǎn)權(quán)局:http://www.sipo.gov.cn/zljs/ Pc< "qy 專利搜索引擎:http://www.soopat.com/ ~_N,zw{x (2014-03-22 12:41) !k*B-@F
aidenna:比較常用而且好用的是soopat (2014-03-22 12:42) Q5Nbu90
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