patents. |
scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking supervision and teaching apparatus and instruments, apparatus for recording, transmission or reproduction of sound or images; scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking supervision, life-saving and teaching apparatus and instruments; scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking supervision, life-saving and teaching apparatus and instruments, apparatus for recording, transmission or reproduction of sound or images |