This standard specifies the types and dimensions of bayonet lampholders for electric light sources. This standard applies to the design, manufacture and inspection of bayonet-type lampholders for electric light sources.
GB 19148.5-2003 history
2008GB/T 19148.5-2008 Types and dimensions of lampholder.Part 5: Bayonet lampholders
2003GB 19148.5-2003 Types and dimensions of lampholders Part 5: Bayonet lampholders
GB 19148.5-2003 Types and dimensions of lampholders Part 5: Bayonet lampholders was changed to GB/T 19148.5-2008 Types and dimensions of lampholder.Part 5: Bayonet lampholders.