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河南省十五个省、地、市水利勘测设计院(队)于一九八五年五月二十二日至二十四日在郑州召开河南省水利勘测设计协会成立会议,会议交流了经营管理的经
Fifteen provinces, prefectures and cities of Henan Province Water Conservancy Survey and Design Institute (Team) convened the founding meeting of Henan Province Water Conservancy Survey and Design Association in Zhengzhou from May 22 to August 24, 1985, and exchanged views on business operation Management of the