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发明名称
Diaprojektor mit automatischer Fokussiereinrichtung
摘要
申请公布号
DE1797061(A1)
申请公布日期
1971.03.18
申请号
DE19681797061
申请日期
1968.08.09
申请人
ERNST LEITZ GMBH
发明人
HOLLE,WERNER,DR.
分类号
G03B21/53
主分类号
G03B21/53
代理机构
代理人
主权项
地址
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