天津市机械工业管理局受市科委的委托,于1987年11月26日在天津市焊接研究所召开了由市科委下达,焊接所承担的“电弧钎焊设备与工艺”课题,及自选课题“LGK8—50晶体管空气等离子切割机”鉴定会。鉴定委员会成员有大学教授、高级工程师及工程师等20余人。会上听取了课题组的科研报告,审查了全部技术资料及有关文件,并参观了现场表演及各种焊接试件。鉴定 Commissioned by Tianjin Municipal Commission of Science and Technology, Tianjin Machinery Industry Authority was held on November 26, 1987 in Tianjin Institute of Welding held by the Municipal Science and Technology Commission, welding undertaken by the “arc brazing equipment and technology” issue, and from the election Project “LGK8-50 transistor air plasma cutting machine” appraisal meeting. Appraisal Committee members include university professors, senior engineers and engineers, more than 20 people. At the meeting, he listened to the research report of the research group, reviewed all the technical information and related documents, and visited the live performances and various welding test pieces. Identification