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30年前,江苏省常州市一位教师发明的无尘黑板擦获得了由国家专利局颁发的1000余元专利转让费,由此诞生了常州市第一笔个人所得税。
Thirty years ago, a dust-free blackboard eraser invented by a teacher in Changzhou, Jiangsu Province won a patent transfer fee of more than 1,000 yuan issued by the State Patent Bureau, which gave birth to Changzhou’s first personal income tax.