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经营范围
发明名称
Improvements in or relating to photographic cameras
摘要
申请公布号
GB629598(A)
申请公布日期
1949.09.23
申请号
GB19460017657
申请日期
1946.06.12
申请人
WILLIAM JAMES GRAHAM-PALMER
发明人
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
主权项
地址
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