American National Standard for Tungsten Halogen (TH) Lamps with GZ9.5 Two-Pin, Prefocus Bases and 36.5 mm Nominal Light Center Length
GZ9卤钨灯美国国家标准 5双销预聚焦底座和36.5 mm标称光中心长度
ANSI C78.1432-1997 (S2018) defines the dimensional limits and other physical characteristics required to ensure commonality and interchangeability and to assist in the proper application of TH lamps.