US PATENT SUBCLASS 122 / 489
.~ Boiler return

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

*  DD  SEPARATORS {5}
489.~ Boiler return

DEFINITION

Classification: 122/489

(under the class definition) Separators located in the steam main leading from the boiler with means for automatically returning the water to the boiler.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus for apparatus for gas separation, per se.