US PATENT SUBCLASS 62 / 50.6
.~.~ Specific pump structure

Current as of: June, 1999
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62 /   HD   REFRIGERATION

45.1  DF  STORAGE OF SOLIDIFIED OR LIQUIFIED GAS (E.G., CRYOGEN) {12}
50.1  DF  .~ Liquified gas transferred as liquid {3}
50.6.~.~ Specific pump structure

DEFINITION

Classification: 62/50.6

Specific pump structure:

(under subclass 50.1) Process or apparatus wherein significance is attributed to a means for generating flow of the liquid; i.e., a pump.