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发明名称
Improvements relating to photographic enlarging or copying apparatus
摘要
申请公布号
GB606083(A)
申请公布日期
1948.08.05
申请号
GB19460000908
申请日期
1946.01.10
申请人
WILLIAM TAGG;FREDERICK PEAKE
发明人
分类号
G03B27/56
主分类号
G03B27/56
代理机构
代理人
主权项
地址
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