US PATENT SUBCLASS 290 / 2
HEATING PLANTS

Current as of: June, 1999
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290 /   HD   PRIME-MOVER DYNAMO PLANTS

2HEATING PLANTS

DEFINITION

Classification: 290/2

Prime-mover dynamo plants having as a function the production of heat.

SEE OR SEARCH CLASS

237, Heating Systems,

12.3, for heat and power plants.