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The keychain contains helium gas inside ampoule
Epoxy Pendant mountain lake 27 mm
Gold niobium cylinder (Nb)
Xe and N2 mixture inside a discharge ampoule with dimensions of 25x100 mm and purity 99
Silicon keychain has silicon crystals with high purity 99
Copper heart keychain 20x40 mm, 99.99%, Cu krypton The keychain contains helium gasCopper keychain has pellets in a shape of heart with high purity 99. 99%. The keychain is made of transparent urethane. The dimensions are 8x20x40 mm. It has a steel chain and a ring.
US$ 48.00
US$ 28.00
US$ 68.00
US$ 28.00
US$ 24.99
