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发明名称
Diaprojektor
摘要
申请公布号
DE2038441(A1)
申请公布日期
1972.02.10
申请号
DE19702038441
申请日期
1970.08.01
申请人
ERNST LEITZ GMBH
发明人
MULCH,HANS
分类号
G03B23/04
主分类号
G03B23/04
代理机构
代理人
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