DIFF Subgroup
F02K 9/72 using liquid and solid propellants, i.e. hybrid rocket-engine plants
Introduced: January 1980
Full Title
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using liquid and solid propellants, i.e. hybrid rocket-engine plants
No child classifications to compare. This is a leaf node in both IPC and CPC.