Perfectionnements aux enveloppes ou pièces de construction creuses, en particulier pour les avions ou la construction aéronautique,申请号FRD850621-传众专利搜索

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发明名称	Perfectionnements aux enveloppes ou pièces de construction creuses, en particulier pour les avions ou la construction aéronautique
摘要
申请公布号	FR850621(A)	申请公布日期	1939.12.21
申请号	FRD850621	申请日期	1939.02.20
申请人	DEEKAY AIRCRAFT CORPORATION LIMITED	发明人
分类号	B64C3/00	主分类号	B64C3/00
代理机构		代理人
主权项
地址

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