Device for reducing erosion in a gun barrel by cooling the expanding explosion gases,申请号GB19470006989-传众专利搜索

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发明名称	Device for reducing erosion in a gun barrel by cooling the expanding explosion gases
摘要
申请公布号	GB625880(A)	申请公布日期	1949.07.05
申请号	GB19470006989	申请日期	1947.03.13
申请人	ETUDES ET CONTROLES INDUSTRIELS	发明人
分类号	F41A13/04	主分类号	F41A13/04
代理机构		代理人
主权项
地址

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