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发明名称
Improvements in or relating to photographic enlarging apparatus
摘要
申请公布号
GB566480(A)
申请公布日期
1945.01.01
申请号
GB19430014493
申请日期
1943.09.06
申请人
NORMAN MOUSLEY;PHOTO DEVELOPMENTS LIMITED
发明人
分类号
G03B27/62
主分类号
G03B27/62
代理机构
代理人
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地址
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