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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0491154 (1990-03-09) |
우선권정보 | JP-0059038 (1989-03-10) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 27 인용 특허 : 0 |
An image forming apparatus including an image bearing member and a rotatable member such as a transfer roller, a charging roller or a cleaning roller press-contacted to the image bearing member in relation to an image formation process on the image bearing member. A coupling is employed for transmit
An image forming apparatus, comprising: a movable image bearing member; a rotatable member press-contacted to said image bearing member in relation to an image forming process for forming an image on said image bearing member, said rotatable member having a longitudinal shaft; driving means for driv
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