Improvements in or relating to metal air propellers,申请号GB19380003142-传众专利搜索

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发明名称	Improvements in or relating to metal air propellers
摘要
申请公布号	GB493255(A)	申请公布日期	1938.10.05
申请号	GB19380003142	申请日期	1938.02.01
申请人	DORNIER-WERKE G.M.B.H.;CLAUDE DORNIER	发明人
分类号	B64C11/24	主分类号	B64C11/24
代理机构		代理人
主权项
地址

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