Earseal for sound-attenuating earcup assembly,申请号US19890376125-传众专利搜索

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发明名称	Earseal for sound-attenuating earcup assembly
摘要
申请公布号	US5020163(A)	申请公布日期	1991.06.04
申请号	US19890376125	申请日期	1989.06.29
申请人	GENTEX CORPORATION	发明人	AILEO, JACKSON A.;LONG, RICHARD J.
分类号	A42B3/16;A61F11/14	主分类号	A42B3/16
代理机构		代理人
主权项
地址

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