Matches in Library of Congress for { ?s ?p Patents Bibliography.. }
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- 07020501 subject "Patents Bibliography.".
- 35034015 subject "Patents Bibliography.".
- 75532974 subject "Patents Bibliography.".
- 76437727%2F%2Fr83 subject "Patents Bibliography.".
- 81191334 subject "Patents Bibliography.".
- 81194933 subject "Patents Bibliography.".
- 88157291%2F%2Fr96 subject "Patents Bibliography.".