Tunnel safety device,申请号GB20030022163-传众专利搜索

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发明名称	Tunnel safety device
摘要
申请公布号	GB0322163(D0)	申请公布日期	2003.10.22
申请号	GB20030022163	申请日期	2003.09.22
申请人	BECKETT, RICHARD G	发明人
分类号	A62C2/10;A62C3/00;A62C3/02	主分类号	A62C2/10
代理机构		代理人
主权项
地址

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