Improvements in or relating to gun barrels for ordnance,申请号GB19370031356-传众专利搜索

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发明名称	Improvements in or relating to gun barrels for ordnance
摘要
申请公布号	GB501777(A)	申请公布日期	1939.03.06
申请号	GB19370031356	申请日期	1937.11.15
申请人	ROBERTO ANTONA TRAVERSI;THE STUDI E BREVETTI GRUPPO CAPRONI	发明人
分类号	F41A21/02	主分类号	F41A21/02
代理机构		代理人
主权项
地址

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