Train d'atterrissage rétractile pour avions,申请号FRD734235-传众专利搜索

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发明名称	Train d'atterrissage rétractile pour avions
摘要
申请公布号	FR734235(A)	申请公布日期	1932.10.18
申请号	FRD734235	申请日期	1932.03.26
申请人		发明人	GRUMMAN LEROY R.
分类号	B64C25/10	主分类号	B64C25/10
代理机构		代理人
主权项
地址

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