Silver weighted ingots. Specification
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Gold weighted bullions. Specification
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Crude selenium. Specification
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Tellurium of high purity, grade T-A1. Specification
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Investment coin of gold. Specification
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Investment coin of silver. Specification
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Copper anode slime. Specification
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Alloy of silver and gold. Specifications.
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Gold for ligature. Specifications.
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COPPER STEIN LEAD-ZINC PRODUCTION Specifications
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Silver in ingots. Specification
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