Improvements in or relating to protective helmets,申请号GB19580006029-传众专利搜索

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发明名称	Improvements in or relating to protective helmets
摘要
申请公布号	GB828133(A)	申请公布日期	1960.02.17
申请号	GB19580006029	申请日期	1958.02.25
申请人	CHRISTIAN ZAHN	发明人
分类号	A42B3/14	主分类号	A42B3/14
代理机构		代理人
主权项
地址

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