DIFF Subgroup
F02K 9/974 Full Title
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > Rocket nozzles (thrust or thrust vector control F02K9/80)
F02K 9/974 Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > Rocket nozzles (thrust or thrust vector control F02K9/80)