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 explanatory note by M.PISCIOTTA, W.S.TILL in Mag of Standards v 29 n 10 Oct 1958 p 295-7)
Designation of mercury lamps
Am Standards Assn -- Am Standard
1957
8 pages
Standard
English
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