TY  - BOOK
AU  - The Patent Office Society
TI  - Patents and designs: questions and answers of interest to Inventors and Industrialists
PY  - 1948///
CY  - The Patent Office Society
PB  - Calcutta
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=792
ER  -