Magnetically held curtain,申请号US19380218917-传众专利搜索

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发明名称	Magnetically held curtain
摘要
申请公布号	US2212326(A)	申请公布日期	1940.08.20
申请号	US19380218917	申请日期	1938.07.13
申请人	PIKEN IRVING J	发明人	PIKEN IRVING J.
分类号	A47H23/01	主分类号	A47H23/01
代理机构		代理人
主权项
地址

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