Hélice aérienne à pas variable automatiquement,申请号FRD798294-传众专利搜索

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发明名称	Hélice aérienne à pas variable automatiquement
摘要
申请公布号	FR798294(A)	申请公布日期	1936.05.13
申请号	FRD798294	申请日期	1935.11.25
申请人	SOC. AN. ALFA ROMEO	发明人
分类号	B64C11/34	主分类号	B64C11/34
代理机构		代理人
主权项
地址

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