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经营范围
发明名称
Filmschleifenregler an Kinematographen
摘要
申请公布号
DE526511(C)
申请公布日期
1931.06.08
申请号
DED526511D
申请日期
1930.09.12
申请人
ETIENNE OEHMICHEN
发明人
分类号
G03B1/56
主分类号
G03B1/56
代理机构
代理人
主权项
地址
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