TY  - JOUR
DO  - 10.5169/seals-675549
DB  - https://www.e-periodica.ch
T1  - Patentirung
AU  - [s.n.]
JF  - Berner Schulfreund
PB  - B. Bach
Y1  - 1863
VL  - 3
IS  - 7
SP  - 111
SN  - 
ER  -