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发明名称
Objektiv mit kontinuierlich veraenderbarer Brennweite, insbesondere fuer Kleinbildkameras
摘要
申请公布号
DE1248325(B)
申请公布日期
1967.08.24
申请号
DE1960E019957
申请日期
1960.09.22
申请人
ENNA-WERK OPTISCHE ANSTALT DR. APPELT K. G.
发明人
LAUTENBACHER HANS
分类号
G02B15/14
主分类号
G02B15/14
代理机构
代理人
主权项
地址
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