- 50-300 Thermostat
- Optical K9 Glass H-laf53 H-zf7 Telescope Objective Lens Convex Achromatic Doublet Glued Cemented Lens For Optics Instruments
- Hv-5/10/30/50 Vicker Hardness Tester
- Hvs-5 10 30 50 Digital Vicker Hardness Tester
- Round Diameter 50 Mm Optical Glass H-k9l N-bk7 Cemented Plano Convex Spherical Achromatic Lens For Optics Instruments
- Optical Instrument Lens
- Optical Lens & Instrument
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- Beam Spectrophotometer
- 32x Auto Level Magnetic Damping Automatic Surveying Level Instrument 40mm Objective Aperture
- Rigid Endoscope Rod Lens Custom Rod Lens For Endoscope Rigid Endoscope Rod Lens Endoscope Camera Lens For Medical Instruments Eq
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- Double Beam Spectrometer
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