US PATENT SUBCLASS 106 / 639
.~.~ For use underwater

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
639.~.~ For use underwater

DEFINITION

Classification: 106/639

For use underwater:

(under subclass 638) Subject matter involving compositions specifically designed for use underwater or processes adapted therefor.