TY  - GEN
AB  - Chiefly tables.
CN  - U.S. Dept. of Commerce
CN  - T223.F4
CY  - Washington, D.C. :
ID  - 434405
KW  - Patents
LK  - http://catalog.hathitrust.org/api/volumes/oclc/32896335.html
N1  - Description based on: 1995 ed.
N1  - Latest issue consulted: 2000 ed.
N1  - Description based on print version record.
N2  - Chiefly tables.
PB  - U.S. Dept. of Commerce, Patent and Trademark Office, Patent Documentation Organizations :
PB  - For sale by the U.S. G.P.O., Supt. of Docs.
PP  - Washington, D.C. :
T1  - ConcordanceUnited States patent classification to international patent classification /
TI  - ConcordanceUnited States patent classification to international patent classification /
UR  - http://catalog.hathitrust.org/api/volumes/oclc/32896335.html
ER  -