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Metal Praseodymium 2g Sealed Density Pr High Purity Argon Protection Crystal 99.9% 3N for Element Collection Crafts Glass Sealed

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3N Samarium Metal Block 99.9% Sm Element for Collection Hobbies Desktop Exhibition

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3N Erbium Block 99.9% High-purity Er Element Sample for Collection and Exhibition

Tantalum metal Ta 99.9% (solid 2g pellet)

3N Samarium Metal Block 99.9% Sm Element for Collection Hobbies Desktop Exhibition

Tantalum metal Ta 99.9% (solid 2g pellet)

3N Samarium Metal Block 99.9% Sm Element for Collection Hobbies Desktop Exhibition

3N Erbium Block 99.9% High-purity Er Element Sample for Collection and Exhibition

Tantalum metal Ta 99.9% (solid 2g pellet)

3N Samarium Metal Block 99.9% Sm Element for Collection Hobbies Desktop Exhibition

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