Read Edit View history 专利局 zhuānlìjú patent office Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 专利局/專利局 · zhuānlìjú · patent office 2026/03/04 专利局 / 專利局 zhuānlìjú patent office patent office 他向国家专利局提交了申请。 noun created sense Mar 4, 2026, 02:25 AM