DIFF Subgroup
H01M 8/04302 applied during start-up
Introduced: January 2016
Full Title
Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > Processes for controlling fuel cells or fuel cell systems > applied during specific periods > applied during start-up
No child classifications to compare. This is a leaf node in both IPC and CPC.