农业机械动力装置燃油喷射技术专利竞争态势分析
吴磊琦, 谌凯, 赵志娟, 应向伟*

Competitive situation analysis on patents regarding agricultural machinery engine fuel injection technology
WU Leiqi, SHEN Kai, ZHAO Zhijuan, YING Xiangwei*
共轨燃油喷射系统优先权专利国际区域分布