patent e office专利事务所
patent t office专利局
International Patent Research Office国际专利研究处
patent right office专利局
United Stated Patent Trademark Office美国专利商标局
European Patent Office欧洲专利局;欧罗巴洲专利局
US Patent Office美国专利局
China Patent Office中国专利局
Imperial Patent Office帝国专利局
N(名词) a government department that issues patents 专利局 ( abbr: Pat. Off)