Extendable and Retractable Propeller for Watercraft,申请号GB19800005559-传众专利搜索

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发明名称	Extendable and Retractable Propeller for Watercraft
摘要
申请公布号	GB2070143(A)	申请公布日期	1981.09.03
申请号	GB19800005559	申请日期	1980.02.19
申请人	RIDDER S O	发明人
分类号	B63H1/24;(IPC1-7):B63H1/24	主分类号	B63H1/24
代理机构		代理人
主权项
地址

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