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发明名称
Ausziehbare Kurbel fuer Filmkamera
摘要
申请公布号
DE842156(C)
申请公布日期
1952.06.23
申请号
DE19500004544
申请日期
1950.11.07
申请人
PERROT ARNOLD
发明人
PERROT ARNOLD
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
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