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发明名称
Vorrichtung für Projektionsapparate zur Wechslung und Halterung von Filmdiapositiven
摘要
申请公布号
CH356287(A)
申请公布日期
1961.08.15
申请号
CHD356287
申请日期
1957.09.25
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
主权项
地址
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