國民經濟行業分類

http://www.stats.gov.cn/tjsj/tjbz/hyflbz/html http://tieba.baidu.com/p/4057548709post http://tieba.baidu.com/p/4057548709htm 轉載於:https://www.cnblogs.com/royi123/p/5516874.htmlblog

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