Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto
Inventor: Tupy, Jaroslav, Louda, Otto