US PATENT SUBCLASS 111 / 119
.~ Treating substance includes ammonia (e.g., flashing control)

Current as of: June, 1999
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111 /   HD   PLANTING

118  DF  LIQUID OR GAS SOIL TREATMENT {6}
119.~ Treating substance includes ammonia (e.g., flashing control)

DEFINITION

Classification: 111/119

Treating substance includes ammonia (e.g., flashing control):

(under subclass 118) Apparatus including a special provision for the problems inherent with the storage, handling, or dispensing of ammonia into the soil because of its low boiling point.