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工作学习 / 事业与工作 / 有没有老兄知道申请专利的地方? 网站最好. 价格怎么样? THANKS
-expertune(将伪劣进行到底);
2002-9-6
(#731801@0)
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Canadian Intellectual Property Office (CIPO) — E-Services
-kiwi(Kiwi);
2002-9-6
(#732138@0)
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thanks
-expertune(将伪劣进行到底);
2002-9-6
(#732173@0)