Waterproof mattress,申请号US19390305818-传众专利搜索

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发明名称	Waterproof mattress
摘要
申请公布号	US2238550(A)	申请公布日期	1941.04.15
申请号	US19390305818	申请日期	1939.11.24
申请人	NEW YORK MATTRESS COMPANY	发明人	BLAKE SAMUEL;WOLL EDWARD
分类号	A47C31/02	主分类号	A47C31/02
代理机构		代理人
主权项
地址

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