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发明名称
Spiegelreflexsucher fuer photographische Apparate
摘要
申请公布号
DE672142(C)
申请公布日期
1939.02.20
申请号
DE1936L089964D
申请日期
1936.03.17
申请人
ERNST LEITZ G.M.B.H.
发明人
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
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地址
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