Ventilated safety helmet,申请号GB19850029337-传众专利搜索

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发明名称	Ventilated safety helmet
摘要
申请公布号	GB2184640(A)	申请公布日期	1987.07.01
申请号	GB19850029337	申请日期	1985.11.28
申请人	DEREK * SMITH	发明人	FRANK GOURLEY * THOMPSON
分类号	A42B3/24;(IPC1-7):A42B3/02	主分类号	A42B3/24
代理机构		代理人
主权项
地址

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