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发明名称
Photographic apparatus
摘要
申请公布号
US1852967(A)
申请公布日期
1932.04.05
申请号
US19290391031
申请日期
1929.09.07
申请人
HENRY HANA GEORGE
发明人
HANA GEORGE HENRY
分类号
G03B17/53
主分类号
G03B17/53
代理机构
代理人
主权项
地址
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