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发明名称
Verschlussanordnung fuer kinematographische Projektionsapparate
摘要
申请公布号
DE1030681(B)
申请公布日期
1958.05.22
申请号
DE1956E012257
申请日期
1956.04.19
申请人
ETABLISSEMENTS EMEL
发明人
分类号
G03B9/10
主分类号
G03B9/10
代理机构
代理人
主权项
地址
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