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发明名称
Improvements in semi-automatic photographic devices
摘要
申请公布号
GB372057(A)
申请公布日期
1932.05.05
申请号
GB19310009894
申请日期
1931.04.01
申请人
ORIONWERK AKTIENGESELLSCHAFT FUER PHOTOGRAPHISCHE INDUSTRIE;VICTOR WOLNY
发明人
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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