Compas à plusieurs gyroscopes,申请号FRD672961-传众专利搜索

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发明名称	Compas à plusieurs gyroscopes
摘要
申请公布号	FR672961(A)	申请公布日期	1930.01.09
申请号	FRD672961	申请日期	1929.04.11
申请人	NEDERLANDSCHE TECHNISCHE HANDEL MAATSCHAPPIJ "GIRO"	发明人
分类号	G01C19/38	主分类号	G01C19/38
代理机构		代理人
主权项
地址

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