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发明名称
SHUTTER FOR PHOTOGRAPHIC CAMERAS
摘要
申请公布号
US3541942(A)
申请公布日期
1970.11.24
申请号
USD3541942
申请日期
1967.06.15
申请人
ERNST & WILHELM BERTRAM
发明人
WILHELM BERTRAM;GEORG AMESBICHLER
分类号
G03B7/083;(IPC1-7):G03B9/14
主分类号
G03B7/083
代理机构
代理人
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地址
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