US PATENT SUBCLASS 60 / 318
.~.~ External fluid is steam

Current as of: June, 1999
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60 /   HD   POWER PLANTS

272  DF  INTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GAS {18}
317  DF  .~ Exhaust and external fluid mingling structure {2}
318.~.~ External fluid is steam

DEFINITION

Classification: 60/318

(under subclass 317) Apparatus, in which the material mixed with the exhaust gas is water in the vaporous state.