ANSI C78.1421-2002

ANSI C78.1421-2002 American National Standard for Dimensions and Centering Systems for Projection Lamps - 35 mm Integral Reflector, Rim Reference Lamps with GZ4 Bases

standard by American National Standards Institute,

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Specifies lamp dimensions of 35 mm (1.38 in.) diameter integral reflector rim reference projection lamps with GZ4 bases so that interchangeability with the appropriate holding systems will be ensured.