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Measuring and Controlling Devices, NEC
Air Quality Measuring Equipment
Fire Detector Systems, Non-Electric
Liquid Leak Detection Equipment
Measuring/Controlling Devices (Unclassified) Manufacturers
Medical Diagnostic Systems, Nuclear
Nuclear Radiation and Testing Apparatus
Oil Pressure Gauges, Motor Vehicle
Physical Property Testing Equipment
Radioactivity Instruments Supplies and Service
Seismograph Equipment and Supplies Manufacturers
Stress, Strain, and Flaw Detecting/Measuring Equipment
Surveying Instruments Manufacturers
Surveying and Drafting Equipment
Temperature Sensors, Except Industrial Process and Aircraft
Testing Equipment: Abrasion, Shearing Strength, Etc.