发明授权
US06816696B2 Image forming apparatus provided with developing device using magnetic brush developing method 有权
具有使用磁刷显影方法的显影装置的图像形成装置

Image forming apparatus provided with developing device using magnetic brush developing method
摘要:
In an image forming apparatus including a developing device, an inequality of 1≦(&agr;/100)×Vr×Hr1/3
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