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ANSI C78.1401-2004 (R2009, R2016)
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ANSI C78.1401-2004 (R2009, R2016) American National Standard for Electric Lamps--Dimensions for Projection Lamps--Double-Contact, Medium Ring (Special B), Base-up Type
standard by American National Standards Institute, 01/06/2016
Full Description
ANSI C78.1401-2004 (R2009, R2016) establishes the dimensions essential to the interchangeability of lamps of the double-contact, medium ring (Special B), base-up type. It is not intended to prescribe either operating characteristics or details of design, such as the shape of the ventilation ports or the method of attachment of the prefocus ring to the base.
M00002558
2021-03-02
New product
ANSI C78.1401-2004 (R2009, R2016) American National Standard for Electric Lamps--Dimensions for Projection Lamps--Double-Contact, Medium Ring (Special B), Base-up Type
standard by American National Standards Institute, 01/06/2016