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南通液压件厂试制的GE系列中高压液压阀YF_3-E10B中高压溢流阀、QF_3-B10B型中高压调速阀和34DF_3-E10B型中高压湿式电磁换向阀新产品于五月十六日通过了部级新产品鉴定。并于五月二十七日在北京召开了GE系列中高压液压阀推广应用座谈会。部基础产品
Nantong Hydraulic Factory trial production of GE series of high pressure hydraulic valve YF_3-E10B high pressure relief valve, QF_3-B10B medium and high pressure governor valve and 34DF_3-E10B medium and high pressure wet electromagnetic valve new product on May 16 Passed the ministerial new product identification. And on May 27 in Beijing held a series of GE series of high pressure hydraulic valve popularization and application of the forum. Ministry of basic products