US PATENT SUBCLASS 60 / 39.463
.~.~ Plural distinct fuels
Current as of:
June, 1999
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60 /
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POWER PLANTS
39.01
DF
COMBUSTION PRODUCTS USED AS MOTIVE FLUID
{31}
39.461
DF
.~ Using special fuel or oxidizer {5}
39.463
.~.~ Plural distinct fuels
DEFINITION
Classification: 60/39.463
Plural distinct fuels:
(under subclass 39.461) Plants which use two or more different fuels.