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发明名称
摘要
申请公布号
DE2027990(C3)
申请公布日期
1978.07.06
申请号
DE19702027990
申请日期
1970.06.06
申请人
K.K. RICOH, TOKIO
发明人
SUZUKI, SHIGERU, YOKOHAMA, KANAGAWA (JAPAN)
分类号
G03B27/62;(IPC1-7):G03B27/62
主分类号
G03B27/62
代理机构
代理人
主权项
地址
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