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发明名称
Photographic camera
摘要
申请公布号
US1910731(A)
申请公布日期
1933.05.23
申请号
US19280320402
申请日期
1928.11.19
申请人
ERNEST WILDHABER
发明人
WILDHABER ERNEST
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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