Bore hole loading device,申请号US19580761588-传众专利搜索

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发明名称	Bore hole loading device
摘要
申请公布号	US2978947(A)	申请公布日期	1961.04.11
申请号	US19580761588	申请日期	1958.09.17
申请人	ATLAS POWDER COMPANY	发明人	JEFFRIES JOHN M.
分类号	F42D1/10	主分类号	F42D1/10
代理机构		代理人
主权项
地址

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