US PATENT SUBCLASS 126 / *
.~ Rotary
Current as of:
June, 1999
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126 /
HD
STOVES AND FURNACES
144
DF
FIRE POTS AND LININGS
{6}
*
.~ Rotary {2}
149
DF
.~.~
> Horizontal axis
150
DF
.~.~
> Vertical axis