2017-03-02
Industrial Microscope Camera Table Stand Gear Ring Holder 40mm Monocular Lens HY-11A
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https://www.aliexpress.com/store/product/CCD-Industrial-Camera-Holder-Upper-and-down-regulation-Digital-Industry-Lab-Microscope-Lens-Table-Stand-Fixed/706058_32750235784.html
Detail.. 2014-07-07
Heavy Duty Dual-Arm Metal Boom Stereo Microscope Table Stand Holder Ring 50mm HY-10AL
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https://www.aliexpress.com/store/product/50mm-Big-Size-Large-Dual-arm-Heavy-Duty-Boom-Stereo-Metal-Table-Stand-Ring-Holder/706058_32354066128.html?spm=2114.12010612.0.0.1I80g9
Detail..