Hélice pour accélération de vitesse pouvant être manoeuvréee en plein vol,申请号FRD687588-传众专利搜索

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发明名称	Hélice pour accélération de vitesse pouvant être manoeuvréee en plein vol
摘要
申请公布号	FR687588(A)	申请公布日期	1930.08.11
申请号	FRD687588	申请日期	1930.01.02
申请人		发明人	VERRIER ANDRE-FRANCOIS
分类号	B64C11/00	主分类号	B64C11/00
代理机构		代理人
主权项
地址

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