一、制订过程根据铁道部(77)铁工字284号文的指示,为了使客车灯具通用件的制订既能切合实际,又能满足目前和今后新造及修理客车的要求,我们在制订报审稿前作了以下几项工作: 1.由长客、浦镇厂和上海市灯具公司、灯具研究室共5人组成铁路“客车灯具”起草小组,于1977年5～7月,相继调查访问了上 First, the development process According to the Ministry of Railways (77) Iron Works word 284 instructions, in order to make common bus passenger lighting parts both realistic and able to meet the current and future new and repaired bus requirements, we are in the development of the trial Before the manuscript made the following several work: 1 from Changyin, Puzhen plant and lighting company in Shanghai, lighting research office composed of a total of 5 railway “bus lamps” drafting team, in 1977 from 5 to 7 months, have investigated and interviewed on