4. Alloys or metallic compositions
  5. Silver base
  6. Copper containing

Melvin Bernhard

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Silver alloy compositions

Alloys or metallic compositions – Silver base – Copper containing
Patent

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Silver alloy compositions, and master alloy compositions therefo

Alloys or metallic compositions – Silver base – Copper containing
Patent

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White gold alloy compositions

Metal treatment – Stock – Noble metal base
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1184915

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