Hélice à pas variable automatique et pales interchangeables,申请号FRD937139-传众专利搜索

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发明名称	Hélice à pas variable automatique et pales interchangeables
摘要
申请公布号	FR937139(A)	申请公布日期	1948.08.09
申请号	FRD937139	申请日期	1946.12.19
申请人		发明人	CURTIL MARCEL
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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