TY  - BOOK
ED  - United States Departement of Commerce <Washington>
TI  - Celebration of the American Patent System: 1836 - 1961 ; Part 1.2
PY  - 1963///
CY  - Wsahington, 
KW  - USA
KW  - Patentwesen
KW  - Festschrift
N1  - 13.469, 13.483/2
ER  -