
BS EN 60061-1 - LAMP CAPS AND HOLDERS TOGETHER WITH GAUGES FOR THE CONTROL OF INTERCHANGEABILITY AND SAFETY - PART 1: LAMP CAPS (AMENDMENT 44); PART 2: LAMPHOLDERS (AMENDMENT 41); PART 3: GAUGES (AMENDMENT 42); PART 4: GUIDELINES AND GENERAL INFORMATION (A
出版:British Standards Institution

专家解读视频