作者: Takeo Oshiba , Ryuichi Hiramoto , Satoshi Uchino , Shinya Obara , So Matsuya
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摘要: A developing roller comprising: a shaft comprising an aluminum alloy; and coating layer directly formed on periphery of the shaft, conducting agent binder resin, wherein alloy comprises 0.2 to 0.8% by mass silicon 0.05 1.5% maganese, based total alloy.