DIFF Subgroup
F42B 39/20 Packages or ammunition having valves for pressure-equalising; Packages or ammunition having plugs for pressure release, e.g. meltable
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts; Cartridge bags > Packages or ammunition having valves for pressure-equalising; Packages or ammunition having plugs for pressure release, e.g. meltable
CPC:
Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags > Packages or ammunition having valves for pressure-equalising; Packages or ammunition having plugs for pressure release, e.g. meltable
No child classifications to compare. This is a leaf node in both IPC and CPC.