Life saving appliance,申请号US19310517336-传众专利搜索

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发明名称	Life saving appliance
摘要
申请公布号	US1837089(A)	申请公布日期	1931.12.15
申请号	US19310517336	申请日期	1931.02.20
申请人	ISSIDORE WOSK	发明人	WOSK ISSIDORE
分类号	B63C9/125	主分类号	B63C9/125
代理机构		代理人
主权项
地址

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