Improvements in or relating to boat propellers,申请号GB19660007424-传众专利搜索

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发明名称	Improvements in or relating to boat propellers
摘要
申请公布号	GB1072423(A)	申请公布日期	1967.06.14
申请号	GB19660007424	申请日期	1966.02.21
申请人	DAVID WALTER BECK	发明人
分类号	B63H1/24	主分类号	B63H1/24
代理机构		代理人
主权项
地址

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