Process of blasting,申请号US19460670193-传众专利搜索

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发明名称	Process of blasting
摘要
申请公布号	US2609750(A)	申请公布日期	1952.09.09
申请号	US19460670193	申请日期	1946.05.16
申请人	ATLAS POWDER COMPANY	发明人	MCFARLAND DAVID M.
分类号	F42D1/00	主分类号	F42D1/00
代理机构		代理人
主权项
地址

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