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发明名称
Photographischer Schlitzverschluss mit zwei unabhaengig voneinander ablaufenden Vorhaengen
摘要
申请公布号
DE694453(C)
申请公布日期
1940.08.01
申请号
DE193800L4919D
申请日期
1938.06.03
申请人
ERNST LEITZ G.M.B.H.
发明人
WAGNER ADAM;MAI FERDINAND
分类号
G03B9/34
主分类号
G03B9/34
代理机构
代理人
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