Fuenflinsiges Objektiv, welches aus drei luftraumgetrennten Gliedern besteht,申请号DE1950B004265-传众专利搜索

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发明名称	Fuenflinsiges Objektiv, welches aus drei luftraumgetrennten Gliedern besteht
摘要
申请公布号	DE834451(C)	申请公布日期	1952.03.20
申请号	DE1950B004265	申请日期	1950.06.10
申请人	LUDWIG BERTELE	发明人	BERTELE LUDWIG
分类号	G02B9/12	主分类号	G02B9/12
代理机构		代理人
主权项
地址

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