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经营范围
发明名称
Photographic camera and shutter construction
摘要
申请公布号
US2267518(A)
申请公布日期
1941.12.23
申请号
US19360116159
申请日期
1936.12.16
申请人
FRIEDRICH DECKEL
发明人
BURGER MICHAEL
分类号
G03B9/22
主分类号
G03B9/22
代理机构
代理人
主权项
地址
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