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发明名称
MICROFICHE READERS
摘要
申请公布号
GB1385559(A)
申请公布日期
1975.02.26
申请号
GB19720050246
申请日期
1972.11.01
申请人
REALIST INC
发明人
分类号
G03B21/11;(IPC1-7):G03B21/11
主分类号
G03B21/11
代理机构
代理人
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