Procédé et instrument permettant de déterminer la direction d'une horizontale passant par un point situé à bord d'un navire, et ayant une hauteur connue au-dessus du niveau de la mer,申请号FRD773222-传众专利搜索

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发明名称	Procédé et instrument permettant de déterminer la direction d'une horizontale passant par un point situé à bord d'un navire, et ayant une hauteur connue au-dessus du niveau de la mer
摘要
申请公布号	FR773222(A)	申请公布日期	1934.11.14
申请号	FRD773222	申请日期	1934.05.12
申请人	CARL ZEISS	发明人
分类号	G01C3/04	主分类号	G01C3/04
代理机构		代理人
主权项
地址

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