Improvements connected with marine mines,申请号GB19400003903-传众专利搜索

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发明名称	Improvements connected with marine mines
摘要
申请公布号	GB572509(A)	申请公布日期	1945.10.11
申请号	GB19400003903	申请日期	1940.03.01
申请人	MILLIS ROWLAND JEFFERIS;ROBERT STUART MACRAE	发明人
分类号	F42C14/04	主分类号	F42C14/04
代理机构		代理人
主权项
地址

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