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经营范围
发明名称
Portable photographic enlarging camera and carrier
摘要
申请公布号
GB603730(A)
申请公布日期
1948.06.22
申请号
GB19450023980
申请日期
1945.09.17
申请人
ALBERT FREDERICK WOOD;CELESTION LIMITED
发明人
分类号
G03B27/32
主分类号
G03B27/32
代理机构
代理人
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