Improved noise damper mask,申请号GB20030015507-传众专利搜索

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发明名称	Improved noise damper mask
摘要
申请公布号	GB0315507(D0)	申请公布日期	2003.08.06
申请号	GB20030015507	申请日期	2003.07.02
申请人	GRIFFITHS, JOSEPH A	发明人
分类号	A62B18/08	主分类号	A62B18/08
代理机构		代理人
主权项
地址

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