商品分类
蔚蓝热卖
￥75.0
￥71.3
![专利信息与利用-[第2版]](http://img.welan.com/s1/9773/6929773/6929773.jpg)
￥46.0
￥39.1
￥40.0
￥30.0
￥44.0
￥19.8
￥37.0
￥17.8
![专利纠纷与处理-[第2版]](http://img.welan.com/s1/9806/6929806/6929806.jpg)
￥36.0
￥17.3
￥58.0
￥43.5
￥45.0
￥21.6
￥25.0
￥18.8
￥39.0
￥37.0
