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发明名称
Improvements in photographic copying machines
摘要
申请公布号
GB1126021(A)
申请公布日期
1968.09.05
申请号
GB19640049603
申请日期
1964.12.07
申请人
PICTOGRAPH LIMITED;PETER GEOFFREY MOY BUTTERFIELD
发明人
分类号
G03B27/20
主分类号
G03B27/20
代理机构
代理人
主权项
地址
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