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4 Found
1   United States. Patent Office. -- See Also United States. Patent and Trademark Office
  1
2   United States. Patent Office. Office of Patent Classification -- See United States. Office of Patent Classification Systems
  1
3   United States. Patent Office. Office of Search Systems and Documentation -- See Also United States. Office of Patent Classification Systems
  1
4   United States. Patent Office. Office of Technology Assessment and Forecast -- See Also United States. Patent and Trademark Office. Office of Technology Assessment and Forecast
  1
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