Ear muff or the like,申请号US19540407649-传众专利搜索

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发明名称	Ear muff or the like
摘要
申请公布号	US2693599(A)	申请公布日期	1954.11.09
申请号	US19540407649	申请日期	1954.02.02
申请人	ELAINE BERG	发明人	BERG ELAINE
分类号	A61F11/06	主分类号	A61F11/06
代理机构		代理人
主权项
地址

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