Life-saving water-making twin cup,申请号US19270160497-传众专利搜索

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发明名称	Life-saving water-making twin cup
摘要
申请公布号	US1792056(A)	申请公布日期	1931.02.10
申请号	US19270160497	申请日期	1927.01.11
申请人	INTERNATIONAL LIFE SAVING WATER MAKING CUP CORPORATION	发明人	ARMBRUST CHARLES W.
分类号	C02F1/18	主分类号	C02F1/18
代理机构		代理人
主权项
地址

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