ROTATIVE-WINGED AIRCRAFT,申请号CAD438567-传众专利搜索

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发明名称	ROTATIVE-WINGED AIRCRAFT
摘要
申请公布号	CA438567(A)	申请公布日期	1946.12.17
申请号	CAD438567	申请日期
申请人	HAVILAND H. PLATT	发明人	HAVILAND H. PLATT
分类号		主分类号
代理机构		代理人
主权项
地址

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