patent information activities的意思|示意

专利情报活动 Information gap activities 信息沟活动 ; 活动 patent information activities 专利情报活动 Enterprises information activities 企业信息活动 ..

专利情报 ... 专利品 proprietary material; patent; patent article; 专利情报 patent information activities; 专利商标名 proprietary name; ...