Improvements in and relating to helmets,申请号GB19390029850-传众专利搜索

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发明名称	Improvements in and relating to helmets
摘要
申请公布号	GB536533(A)	申请公布日期	1941.05.19
申请号	GB19390029850	申请日期	1939.11.10
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;DONALD ROGERS	发明人
分类号	A42B3/04	主分类号	A42B3/04
代理机构		代理人
主权项
地址

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