Vorrichtung zur Erlernung der Sternenkunde,申请号DE1955B036023-传众专利搜索

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发明名称	Vorrichtung zur Erlernung der Sternenkunde
摘要
申请公布号	DE951048(C)	申请公布日期	1956.10.18
申请号	DE1955B036023	申请日期	1955.06.07
申请人	JACK OLEN BENNETT	发明人	BENNETT JACK OLEN
分类号	G09B27/04	主分类号	G09B27/04
代理机构		代理人
主权项
地址

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