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4本套装 专利挖掘第2版+专利布局第2版+专利分析方法图表解读与情报挖掘第2版+专利分析检索可视化与报告撰写修订版 马天
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4本套装 专利挖掘第2适用+专利布局第2适用+专利分析方法图表解读与情报挖掘第2适用+专利分析检索可视化与报告撰写修订适
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正版现货,可开发票
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正版速发网络强国制高点:技术创新支撑 王恒桓 邬江兴著 知识产权出版社 9787513051828任选ZHSHCHQCH
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