Perfectionnements relatifs aux dispositifs sensibles à la densité,申请号FRD831443-传众专利搜索

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发明名称	Perfectionnements relatifs aux dispositifs sensibles à la densité
摘要
申请公布号	FR831443(A)	申请公布日期	1938.09.02
申请号	FRD831443	申请日期	1937.12.29
申请人	UNITED AIRCRAFT CORPORATION	发明人
分类号	F02D9/00;F02M7/20	主分类号	F02D9/00
代理机构		代理人
主权项
地址

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