Concordance, United States patent classification to international patent classification.
Edition: 2000 ed.
Publisher: U.S. Dept. of Commerce, Patent and Trademark Office, Patent Documentation Organizations
Published: 2000
Place of publication: Washington, D.C
Language: eng
Number of pages: 205
Subjects: International Patent Classification -- Concordances.; Patents -- United States -- Classification.
Other titles: United States patent classification to international patent classification