TY  - BOOK
AU  - Liebesny,Felix
TI  - Mainly on patents: the use of industrial property and its literature 
SN  - 0408703687 :
U1  -  608.7 
PY  - 1972///
CY  - London
PB  - Butterworths
KW  - Patents
N1  - Includes bibliographical references and index
ER  -