Safety device for boat hoists,申请号US19430493650-传众专利搜索

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法人/股东/高管

发明名称	Safety device for boat hoists
摘要
申请公布号	US2404153(A)	申请公布日期	1946.07.16
申请号	US19430493650	申请日期	1943.07.06
申请人	WILHELM ALBERT R	发明人	WILHELM ALBERT R.
分类号	B63B23/18;B66D3/24	主分类号	B63B23/18
代理机构		代理人
主权项
地址

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