... and paralleled. Automatic turning off effectively protects the bulb. Two-steps adjustable brightness for bulb: S(Bright),W(Dark). Working Distance...
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GD9601 Rechargeable Diagnostic Equipment with Aluminium Case Features: Instrument for measuring refraction deflection and astigma...
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... and paralleled. Detailed profile Characteristics: ·The well positioned filament can be rotated for 360° and move upward and downward. Brightness o...
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