Propeller with self-adjusting pitch,申请号GB19340021378-传众专利搜索

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发明名称	Propeller with self-adjusting pitch
摘要
申请公布号	GB432768(A)	申请公布日期	1935.08.01
申请号	GB19340021378	申请日期	1934.07.21
申请人	WILLEM PETRUS VAN LAMMEREN	发明人
分类号	B64C11/34	主分类号	B64C11/34
代理机构		代理人
主权项
地址

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