标题: ANSI/NEMA C136.6-2004(R2012) For Roadway and Area Lighting Equipment Metal Heads [打印本页] 作者: sigh007 时间: 2013-10-31 18:24:13 标题: ANSI/NEMA C136.6-2004(R2012) For Roadway and Area Lighting Equipment Metal Heads
NEMA C136.6-2004(R2012) For Roadway and Area Lighting Equipment Metal Heads and Reflector Assemblies Mechanical and Optical Interchangeability