ADJUSTABLE EAR PROTECTOR,申请号USD3454964-传众专利搜索

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发明名称	ADJUSTABLE EAR PROTECTOR
摘要
申请公布号	US3454964(A)	申请公布日期	1969.07.15
申请号	USD3454964	申请日期	1967.05.03
申请人	MINE SAFETY APPLIANCES CO.	发明人	CARL H. BRINKHOFF
分类号	A61F11/14;(IPC1-7):A41D21/00	主分类号	A61F11/14
代理机构		代理人
主权项
地址

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