HELMET AND EARCUP ASSEMBLY,申请号GB19750014417-传众专利搜索

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发明名称	HELMET AND EARCUP ASSEMBLY
摘要
申请公布号	GB1496448(A)	申请公布日期	1977.12.30
申请号	GB19750014417	申请日期	1975.04.08
申请人	GENTEX CORP	发明人
分类号	A42B3/16;(IPC1-7):H04M1/05	主分类号	A42B3/16
代理机构		代理人
主权项
地址

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