F42B 12/82 reducing friction
Introduced: January 1990
Title
Titles differ between systems:
IPC: reduction friction
CPC: reducing friction
Full Title
Full titles differ between systems:
Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material > characterised by the material > of the casing > Coatings > reduction friction
Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material (F42B6/00, F42B10/00, F42B14/00 take precedence; for practice or training F42B8/12, F42B8/28; self-propulsion or guidance aspects F42B15/00) > characterised by the material (heat treatment for explosive shells C21D9/16) > of the casing > Coatings > reducing friction
No child classifications to compare. This is a leaf node in both IPC and CPC.