Linear and angular measurement
Linear and angular measurement, general
Gauges, gauge blocks and standards
Rules and graduated gauges
Multiposition measuring devices
Tracers, precision dial gauges
Pedestals and tripods for tracers, precision dial gauges
Measuring tools, precision measuring tools
Spirit levels
Slide gauges
Screw gauges (measuring screws, micrometers)
Setsquares
Protractors and sine bars
Measuring instruments
Dial external micrometers
Dial internal micrometers
Precision measuring instruments
Dial test indicators
Altimeters
Internal measuring instruments
Multi-position measuring devices
Measuring instruments, general
Measuring instruments, electronical
Measuring instruments, mechanical
Dial gauges, precision tracers
Inclinometer
Surface inspection instruments
Roughness profilometer
Squareness measuring devices
Measuring machines
Multipoint measuring machines
Special purpose measuring equipment
Other apparatus, instruments etc.
Germany 
