Vorrichtung zur Objektfeldbegrenzung bei Schreibprojektoren od.dgl.,申请号DE19691917707-传众专利搜索

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发明名称	Vorrichtung zur Objektfeldbegrenzung bei Schreibprojektoren od.dgl.
摘要
申请公布号	DE1917707(A1)	申请公布日期	1970.11.05
申请号	DE19691917707	申请日期	1969.04.05
申请人	ERNST LEITZ GMBH	发明人	HUEBNER,ERWIN
分类号	G03B21/132	主分类号	G03B21/132
代理机构		代理人
主权项
地址

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