3D打印巨头3D SYSTEMS公司专利态势分析
刘艳丽1,2,*(
),何微3,吴鸣1
),何微3,吴鸣1
Patent Trend Analysis for 3D SYSTEMS
Yanli Liu1,2,*(),Wei He3,Ming Wu1
),Wei He3,Ming Wu1
图8. 3D Systems公司3D打印材料专利申请量趋势对比
.
