DIFF Main Group
F21L 21/00 Non-electric pocket lamps, e.g. lamps producing sparks
Introduced: September 1968
Title
Titles differ between systems:
IPC: Non-electric pocket-lamps, e.g. lamps producing sparks
CPC: Non-electric pocket lamps, e.g. lamps producing sparks
Full Title
Full titles differ between systems:
IPC:
Non-electric pocket-lamps, e.g. lamps producing sparks
CPC:
Non-electric pocket lamps, e.g. lamps producing sparks
No child classifications to compare. This is a leaf node in both IPC and CPC.