Purpose of designation system covered by standard is to provide nationally applicable and convenient lamp identification symbol which may be used for both manufacturing and ordering purposes; designation assures interchangeability of lamps which bear same symbol. (See also Am Standards Assn -- Am Standard C78.380-1957 Aug 14 1957 8 p)
Designation of mercury lamps
Mag Standards
Magazine of Standards ; 29 , n 10
1958
3 pages
Article (Journal)
English
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