Matches in Library of Congress for { ?s ?p Patents United States Classification.. }
Showing items 1 to 8 of
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- 00272326 subject "Patents United States Classification.".
- 00709587 subject "Patents United States Classification.".
- 72601581 subject "Patents United States Classification.".
- 79602815 subject "Patents United States Classification.".
- 79603986 subject "Patents United States Classification.".
- 85071218 subject "Patents United States Classification.".
- 90601172 subject "Patents United States Classification.".
- 95187926 subject "Patents United States Classification.".