Australia
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Japan
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The Turkish Copper Manufacturers Association
Altek Dokum Hadde Mamulleri San. ve Tic. Ltd. Sti.
Er-Bakir Elektrolitik Bakir Mamulleri A.S.
Kayalar Bakir Ala┼čimlari San. Ve Tic. A.┼×.
Sarbak Metal Tic. ve San. A.S.
Sarkuysan Elektrolitik Bakir Sanayii ve Ticaret A.S.