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- Patents > 2007-01-18 > SECTION G PHYSICS
- CHECKING-DEVICES (16)
- COMPUTING; CALCULATING; COUNTING (656)
- CONTROLLING; REGULATING (44)
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS (127)
- HOROLOGY (4)
- INFORMATION STORAGE (106)
- MEASURING; TESTING (222)
- MUSICAL INSTRUMENTS; ACOUSTICS (40)
- NUCLEAR PHYSICS; NUCLEAR ENGINEERING (3)
- OPTICS (132)
- PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY (118)
- SIGNALLING (57)