Means for positioning explosives in boreholes,申请号US19440517142-传众专利搜索

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发明名称	Means for positioning explosives in boreholes
摘要
申请公布号	US2433543(A)	申请公布日期	1947.12.30
申请号	US19440517142	申请日期	1944.01.05
申请人	ATLAS POWDER COMPANY	发明人	BISCH JAMES L.
分类号	F42D1/22	主分类号	F42D1/22
代理机构		代理人
主权项
地址

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