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polariscope gemological tools
Selling leads
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...Gem Testing Instruments Refractometer with Testing range 1.35-1.85 The refractometer is one of the most important tools in a gemological laboratory...
2026-04-29 00:03:01
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Portable With Frosted aluminum alloy table gemological refractometer FGR-003A Gem refractometer is the most important professional tool for identifing ...
2026-04-29 00:03:01
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Gem Refractive Index Testing tool 1.35 - 1.85 Range gemological refractometer Model: FGR-002 Type Testers & Measurements Testing scale 1.35-1.85 ...
2026-04-29 00:03:01
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...Instruments Refractometer with easy to read visual field FGR-003 The refractometer is one of the most important tools in a gemological laboratory. ...
2026-04-29 00:03:01
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