High quality magnetic absorbing concave convex triangle equilateral waist semicircular optical lens prism teaching experimental

High quality magnetic absorbing concave convex triangle equilateral waist semicircular optical lens prism teaching experimental
sku: 32972479553
$36.50-1%
$36.11
Shipping from: China
   Technical Details
Brand Name: Oyimrhjdg
Model Number: CZ2030
Subject: Physics
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