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经营范围
发明名称
Improvements in or relating to film guide devices for photographic cameras
摘要
申请公布号
GB716773(A)
申请公布日期
1954.10.13
申请号
GB19520031163
申请日期
1952.12.09
申请人
REINHOLD HEIDECKE
发明人
分类号
G03B1/48
主分类号
G03B1/48
代理机构
代理人
主权项
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