TY  - BOOK
ED  - United States
TI  - Manual of Classification
CY  - Washington, D.C.
PB  - U.S. Dept. of Commerce, Patent and Trademark Office, Search znd Information Resources, For sale by the Supt. of Docs., G.P.O
KW  - Patents
KW  - United States
KW  - Classofication
KW  - Periodicals
KW  - Local
N1  - Description based on: Dec.1992, basic manual
UR  - http://purl.access.gpo.gov/GPO/LPS47620
ER  -