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C68RR弹簧钢1.0mm卷材 精密电子零配件专用0.8mm钢带0.6mm带钢:精密钢带
C68RR弹簧钢1.0mm卷材精密电子零配件专用0.8mm钢带0.6mm带钢C67钢带0.6mm精密钢带，C67钢带0.5mm,C67钢带0.4mm,C67钢带0.8mm，C67钢带1.0mm，C
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C68RR弹簧钢1.0mm卷材精密电子零配件专用0.8mm钢带0.6mm带钢C67钢带0.6mm精密钢带，C67钢带0.5mm,C67钢带0.4mm,C67钢带0.8mm，C67钢带1.0mm，C