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Add to basketpaperback. Condition: New. Pub Date: 1995-10-01 Pages: 166 Language: Chinese Publisher: China Planning Press. People's Republic of China National Standard: River flow test specification (GB 50179-93) is (1986) No. 250 according to the National Planning Commission Comprehensive Wen's request. by the Ministry of Water Resources Bureau of Hydrology. Changjiang Water Resources Commission in conjunction with relevant units jointly compiled. In the People's Republic of China National Standard: River flow test specification (.