NATURAL SCREW PROPULSOR WITH EXTENDED BLADES,申请号HRP921415-传众专利搜索

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发明名称	NATURAL SCREW PROPULSOR WITH EXTENDED BLADES
摘要
申请公布号	HRP921415(A2)	申请公布日期	1995.02.28
申请号	HRP921415	申请日期	1992.12.10
申请人		发明人
分类号	B63H1/12;(IPC1-7):B63H1/12	主分类号	B63H1/12
代理机构		代理人
主权项
地址

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