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High-strength QBe1.9 -0.1 beryllium copper alloy standard (GB/T 5231-2001)
Office & Education/Notebooks and Books/RefillNegotiable
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HAl66-6-3-2 Aluminum Brass Standard (GB/T 2040-2002)
Office & Education/Pens/Gel PenNegotiable
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QBe1.7 Beryllium Copper Sheet/Strip Standard for Electrical Applications (GB/T 5231-2001)
Office & Education/Notebooks and Books/RefillNegotiable
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