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- catalog contributor b4690629.
 - catalog created "1948.".
 - catalog date "1948".
 - catalog date "1948.".
 - catalog dateCopyrighted "1948.".
 - catalog extent "187 p.".
 - catalog hasFormat "Nature of patentable invention.".
 - catalog isFormatOf "Nature of patentable invention.".
 - catalog issued "1948".
 - catalog issued "1948.".
 - catalog language "eng".
 - catalog publisher "Cambridge, Mass., Addison-Wesley Press,".
 - catalog relation "Nature of patentable invention.".
 - catalog spatial "United States.".
 - catalog subject "Inventions.".
 - catalog subject "Patent laws and legislation United States.".
 - catalog subject "T211 .H3 1948".
 - catalog title "The nature of patentable invention, its attributes and definition.".
 - catalog type "text".