Entry Topical Term

Number of records used in: 0

001 - CONTROL NUMBER

• control field: 138042

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name as entry element: Trade marks - United States

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)14543: Berle, Alf Keyser 138039, Inventions, patents, and their management, 1959