HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid Fulltext... Hierarchy... Expanded...F01K; gas-turbine plants Fulltext... Hierarchy... Expanded...F02C; jet-propulsion plants Fulltext... Hierarchy... Expanded...F02K); USE OF WASTE HEAT OF COMBUSTION ENGINES, NOT OTHERWISE PROVIDED FOR |