Safety helmet having a semi-flexible liner,申请号US19630256734-传众专利搜索

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发明名称	Safety helmet having a semi-flexible liner
摘要
申请公布号	US3116490(A)	申请公布日期	1964.01.07
申请号	US19630256734	申请日期	1963.02.06
申请人	JOSEPH BUEGELEISEN CO.	发明人	ZBIKOWSKI TED
分类号	A42B3/12	主分类号	A42B3/12
代理机构		代理人
主权项
地址

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