72412294
Jan 10, 1972
Jun 25, 1974
GAS ENGINES; OIL ENGINES; COMPRESSORS; AND PNEUMATIC AND HYDRAULIC DEVICES COMBINED IN SYSTEMS FOR THE AUTOMATIC SEQUENTIAL CONTROL OF INTERNAL COMBUSTION ENGINES, COMBUSTION GAS TURBINES, STEAM ENGINES, EXPANSION ENGINES, AND RECIPROCATING AND CENTRIFUGAL COMPRESSORS
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