An improved method of tamping drill holes for blasting purposes,申请号GB19310025699-传众专利搜索

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发明名称	An improved method of tamping drill holes for blasting purposes
摘要
申请公布号	GB374720(A)	申请公布日期	1932.06.16
申请号	GB19310025699	申请日期	1931.09.14
申请人	ARNOLD LAEMMERT	发明人
分类号	F42D1/08	主分类号	F42D1/08
代理机构		代理人
主权项
地址

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