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2009年3月25—27日,由中国农业机械流通协会、山东省潍坊市人民政府、山东省农业机械管理办公室共同主办,农业部农业机械试验鉴定
March 25-27, 2009, by the China Agricultural Machinery Circulation Association, Weifang City People’s Government of Shandong Province, Shandong Province Agricultural Machinery Management Office co-sponsored by the Ministry of Agriculture agricultural machinery test identification