Improvements in and relating to rotary propellers,申请号GB19310022634-传众专利搜索

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发明名称	Improvements in and relating to rotary propellers
摘要
申请公布号	GB379079(A)	申请公布日期	1932.08.25
申请号	GB19310022634	申请日期	1931.08.11
申请人	SYNDICAT "VAPROC"	发明人
分类号	B64C11/00;F42B10/22	主分类号	B64C11/00
代理机构		代理人
主权项
地址

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