US PATENT SUBCLASS 423 / 580.1
.~ Water

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

579  DF  OXYGEN OR COMPOUND THEREOF {4}
580.1.~ Water {1}
580.2  DF  .~.~> Heavy water

DEFINITION

Classification: 423/580.1

Water:

(under subclass 579) Products and processes wherein the compound is water (H2O).