Hello from Cumberland RI, USA. I spent some years in the costume jewelry industry in RI and Nearby MA until the mid 80's. In recent years I have renewed my interest in using platinum clad niobium as...
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Hello from Cumberland RI, USA. I spent some years in the costume jewelry industry in RI and Nearby MA until the mid 80's. In recent years I have renewed my interest in using platinum clad niobium as...
Hello from Cumberland RI, USA. I spent some years in the costume jewelry industry in RI and Nearby MA until the mid 80's. In recent years I have renewed my interest in using platinum clad niobium as...