Gun barrel liner,申请号US19520295635-传众专利搜索

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发明名称	Gun barrel liner
摘要
申请公布号	US2975677(A)	申请公布日期	1961.03.21
申请号	US19520295635	申请日期	1952.06.26
申请人	KELLY JR JOHN C R	发明人	JR. JOHN C. R. KELLY,
分类号	B21C37/15	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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