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发明名称
Photographic device
摘要
申请公布号
US2286628(A)
申请公布日期
1942.06.16
申请号
US19400316094
申请日期
1940.01.29
申请人
KIDDER FRANK W
发明人
KIDDER FRANK W.
分类号
G03B27/72
主分类号
G03B27/72
代理机构
代理人
主权项
地址
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