"Multi-functional to paint from life bag" "magnetic drawing board " regard carrying and use lover of arts conveniently as blue and green lays and obtain the national patent.
多功能写生包”、磁性画板”更以携带和使用便捷为美术爱好者青睐，并获国家专利。
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Despite a decline during the economic downturn, the UK Patent Office receives more than 20,000 applications a week – of which 200 are "green" focused.