Hélice à spire,申请号FRD790685-传众专利搜索

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发明名称	Hélice à spire
摘要
申请公布号	FR790685(A)	申请公布日期	1935.11.25
申请号	FRD790685	申请日期	1935.05.31
申请人		发明人	FREDERIC VOGEL
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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