Energy technologies patent applications to the EPO by priority year
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Energy technologies patent applications to the EPO by priority year
按优先权年份划分的提交至欧洲专利局(European Patent Office, EPO)的能源技术专利申请数据集
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Energy technologies patent applications to the EPO by priority year
按优先权年份划分的提交至欧洲专利局(European Patent Office, EPO)的能源技术专利申请数据集