Innerspring mattress construction,申请号US19440517907-传众专利搜索

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发明名称	Innerspring mattress construction
摘要
申请公布号	US2446775(A)	申请公布日期	1948.08.10
申请号	US19440517907	申请日期	1944.01.12
申请人	MARSACK PATENTS CORPORATION	发明人	MARSACK MAX
分类号	A47C27/20	主分类号	A47C27/20
代理机构		代理人
主权项
地址

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