0.5g Osmium Ball Bead Pure 99.95% Periodic Table of Rare-earth Precious Metal Elements for Research Study Education Collection
![0.5g Osmium Ball Bead Pure 99.95% Periodic Table of Rare-earth Precious Metal Elements for Research Study Education Collection](http://ae04.alicdn.com/kf/He6619a17e31b440aabd800a1a110229fZ.jpg)
sku: 1005002755416559
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$42.00
Shipping from: China
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