Perfectionnements aux gyroscopes,申请号FRD819858-传众专利搜索

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发明名称	Perfectionnements aux gyroscopes
摘要
申请公布号	FR819858(A)	申请公布日期	1937.10.28
申请号	FRD819858	申请日期	1936.06.30
申请人	E. C. A.	发明人
分类号	G01C19/00	主分类号	G01C19/00
代理机构		代理人
主权项
地址

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