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发明名称
摘要
申请公布号	DE3120549(C2)	申请公布日期	1987.02.19
申请号	DE19813120549	申请日期	1981.05.22
申请人	RICOH CO., LTD., TOKIO/TOKYO, JP	发明人	TANAKA, MOTOHARU, NUMAZU, SHIZUOKA, JP;MACHIDA, HAZIME, TOKIO/TOKYO, JP;KOBAYASHI, HIROSHI, KODAIRA, TOKIO/TOKYO, JP
分类号	G11B5/02;G11B5/127;(IPC1-7):G11B5/127;G11B5/48	主分类号	G11B5/02
代理机构		代理人
主权项
地址

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