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根据国家机械工业局机管（１９９９）１３７号文《关于开展“机械工业节能机电产品推广项目”清理工作的通知》的要求，成都电焊机研究所于１９９９年９月组织了对电焊机行业１９９２年以前公布的１～１５批节能电焊机产品的清理工作。１９９９年１１月１５～１７日国家机械工?
According to the requirements of the Circular of the State Administration of Machinery Industry, Machinery and Pipe (1999) No. 137, on Carrying out the Clean-up of the Promotion Project of Mechanical and Electrical Equipment for Energy-Saving Electrical and Mechanical Products, the Chengdu Welding Research Institute organized the welding machine industry in September 1999 Announced in 1 to 15 batches of energy-saving welding machine product clean-up work. November 1999 15 ~ 17 National Machinery?