Hélice à fentes,申请号FRD820826-传众专利搜索

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发明名称	Hélice à fentes
摘要
申请公布号	FR820826(A)	申请公布日期	1937.11.19
申请号	FRD820826	申请日期	1937.04.20
申请人		发明人	ROBERT NICOLAS AUGUSTE, ADRIEN, MARIE,
分类号	B64C11/16	主分类号	B64C11/16
代理机构		代理人
主权项
地址

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