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’９３小氮肥压缩机无油润滑技术交流会暨协作组年会在杭州召开山化工部化肥工业信息总站（原化肥科技情报中心站）和小氮肥压缩机无油润滑技术协作组联合召开的’９３小氮肥压缩机无油润滑技术交流会于丑朋３年且月２４日一２６日在杭州市召。有１４个省市、５０个单位，...
’93 Small Nitrogen Fertilizer Compressor Oil-free Lubrication Technology Conference and Collaboration Annual Meeting was held in Hangzhou and the Ministry of Chemical Industry Fertilizer Industry General Information Station (formerly Chemical Fertilizer Science and Technology Information Center Station) and Small Nitrogen Fertilizer Compressor Oil-free Lubrication Technology Collaboration Group held a meeting 93 Oil-free lubrication of small nitrogen fertilizer compressor technology exchange meeting was held in Hangzhou for three years and on the 24th and the 26th of the month. There are 14 provinces and cities, 50 units, ...