GCM-092 series dual-element polarizing frame teaching equipment

GCM-0831 Series Eccentric Lens/Reflective Frame Teaching Equipment

GCM-0831 Series Eccentric Lens/Reflective Frame Teaching Equipment

GCM-120 series dovetail translation table teaching equipment

GCM-123 series light bar type miniature translation table teaching equipment

GCM-120 series dovetail translation table teaching equipment

GCM-030 series stainless steel transfer block teaching equipment

Transverse fixed seat (diameter 38.1 column series accessories) GCM-220503M teaching equipment

GCM-113 rotating head teaching equipment

Integrated rotating mounting seat, polarizing optical element, mirror frame, waveplate with scale, manual rotation

Integrated rotating mounting seat, polarizing optical element, mirror frame, waveplate with scale, manual rotation

Integrated rotating mounting seat, polarizing optical element, mirror frame, waveplate with scale, manual rotation

Integrated rotating mounting seat, polarizing optical element, mirror frame, waveplate with scale, manual rotation

Integrated rotating mounting seat, polarizing optical element, mirror frame, waveplate with scale, manual rotation

Integrated rotating mounting seat, polarizing optical element, mirror frame, waveplate with scale, manual rotation

Chemical Element Display Acrylic Periodic Table Display with Real Elements Children Chemistry Teaching School Home Decoration

Polarizing Frame, Polarizing Element, Rotating Frame, Optical Adjustment Frame

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Acrylic Periodic Table Display With Real Elements Kids Teaching School Day Birthday Gifts Chemical Element Display Home Decor

Acrylic Periodic Table Display With Real Elements Kids Teaching School Day Birthday Gifts Chemical Element Display Home Decor

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Acrylic Periodic Table Display With Real Elements Kids Teaching School Day Birthday Gifts Chemical Element Display Home Decor

30pcs Metal Element Specimen For Collection Hobby Table Top Decoration Teaching Exhibition

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30pcs Metal Element Specimen for Collection Hobby Table Top Decoration Teaching Exhibition

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