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C15410 C14520 C14530C37700 C15100 C15500 C54400銅合金 C54400銅合金 C54400銅合金 C17200 C17300 C17410
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C37700 C37700 C37700 C37700 C37700 C37700 C37700 C37700 C37700
C37700 C37700 C37700 C37700 C37700 C37700 C38000 C38500 C40500 C40800 C40810
G-CuSn10Zn C40860 C41100 C41300 C41500 C42200 C42500 C42520 C42600 C43000 C43400 C44300
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C51000 C51080 C51180 C51900 C51980 QAl9-5-1-10 C52180 C52400 C52480 C53400 C54400 C54400銅合金
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