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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
GB821888(A)
申请公布日期
1959.10.14
申请号
GB19570009396
申请日期
1957.03.22
申请人
KARL HEINZ LANGE
发明人
分类号
G03B3/00
主分类号
G03B3/00
代理机构
代理人
主权项
地址
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