US PATENT SUBCLASS 122 / 4 C
.~ Water-cooled stoker

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

4 R  DF  MISCELLANEOUS {3}
4 C.~ Water-cooled stoker

Unofficial Alpha Subclasses: R A C D

DEFINITION

Classification: 122/4

(under the class definition) Boilers and parts thereof not otherwise classifiable.