at high temperature (of turbines F01D, F02C; lubrication of machines or engines in general, of internal-combustion engines F01M)

Introduced: September 1968

Title

Titles differ between systems:

IPC: at high temperature

CPC: at high temperature (of turbines F01D, F02C; lubrication of machines or engines in general, of internal-combustion engines F01M)

Full Title

Full titles differ between systems:

IPC:

Lubrication of machines or apparatus working under extreme conditions > at high temperature

CPC:

Lubrication of machines or apparatus working under extreme conditions (additives to lubricating oil or lubricating grease C10M) > at high temperature (of turbines F01D, F02C; lubrication of machines or engines in general, of internal-combustion engines F01M)

No child classifications to compare. This is a leaf node in both IPC and CPC.