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High precision pneumatic instrument calibration device
Outer diameter micrometer parallelism error gauge (steel ball gauge)
Contour meter, cylindricity meter, roundness meter, standard glass hemisphere
Jumping inspection instrument standard core shaft, eccentric shaft
Ultrasonic thickness gauge standard thickness block calibration special standard circular tube
Level zero position calibrator (for metrological standard building)
Forest Resource Survey Instrument
Fluke 414D laser rangefinder 50 meters
Electric thread depth gauge
Screw plum blossom depth gauge Q gauge groove deep
C-diameter micrometer
Screw PZ meter groove deep Q gauge depth gauge
Screw hexagonal groove head plug gauge plug gauge plug gauge
Screw plum blossom groove head plug gauge
Screw hexagonal groove deep Q gauge depth gauge
Screw groove head cross groove deep Q gauge depth gauge
