Swimming pool safety device,申请号US19550535187-传众专利搜索

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发明名称	Swimming pool safety device
摘要
申请公布号	US2958083(A)	申请公布日期	1960.11.01
申请号	US19550535187	申请日期	1955.09.19
申请人	NEMOEDE	发明人	SHOOK MILES P.;NEMOEDE FRED
分类号	B63B19/21;E04H4/08;E06B9/11	主分类号	B63B19/21
代理机构		代理人
主权项
地址

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