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Boshida Pl1506 50X-1000X Metallurgical Theory Petrographic Polarizing Microscope with Reflected Illumination, Find Details and Price about Polarizing Microscope Petrographic Microscope from Boshida Pl1506 50X-1000X Metallurgical Theory Petrographic Polarizing Microscope with Reflected Illumination - Shenzhen Boshida Optical Instrument Co., Ltd.