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1.On August 22, 1977, American long-term treasury bonds futures contract is listed on Chicago Board of Exchange. This is an important incident with milestone meaning on the futures development course of treasury bonds futures.
1977年8月22日,美国长期国债期货合约在芝加哥期货交易所上市,这是国债期货发展历程上具有里程碑意义的重要事件。收藏指正
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