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1981年3月25—27日在黑龙江省东京城林业局,由林业部机械局组织召开了“4160林业机械专用底盘(轮式集材机)、Z_4 JM—5轮式木材装载机适应性生产试验座谈会”。参加会议的单位有黑龙江省林业总局、吉林省林业厅、有关林管局、林业局,哈尔滨林机厂、常洲林机厂、哈尔滨林机所等有关单位。4160林业机械专用底盘(轮式集材机)由哈尔滨林机所、东北林学院、哈尔滨林机
March 25-27, 1981 in Heilongjiang Province, Tokyo City Forestry Bureau, organized by the Ministry of Forestry Machinery Bureau organized a “4160 forestry machinery for chassis (wheel skidder), Z_4 JM-5 wheel loaders adaptive production Experimental forum. ” The units attending the meeting include Heilongjiang Provincial Forestry Department, Jilin Provincial Forestry Department, the relevant forest management bureau, forestry bureau, Harbin Forestry Machinery Plant, Changzhou Forestry Machinery Plant, Harbin Forestry Machinery and other relevant units. 4160 forestry machinery chassis (wheel skidder) from Harbin Forestry Machinery, Northeast Forestry University, Harbin forest machine