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IP屬地：安徽
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一個(gè)qq郵箱小bug
點(diǎn)擊郵箱按鈕絮供，兩次分別進(jìn)入了不同的網(wǎng)址诊胞，一個(gè)是https://mail.qq.com/cgi-bin/frame_html?sid=sEIqgJ...
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Patent EvaluationBackground Patent valuation methodsQuantitative approachCost-based appr...