Improvements in or relating to the breaking of solid material by blasting with compressed gas,申请号GB19550020729-传众专利搜索

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发明名称	Improvements in or relating to the breaking of solid material by blasting with compressed gas
摘要
申请公布号	GB790328(A)	申请公布日期	1958.02.05
申请号	GB19550020729	申请日期	1955.07.18
申请人	AUSTLAND LIMITED	发明人	DOWIE DAVID LINCOLN
分类号	E21C37/14	主分类号	E21C37/14
代理机构		代理人
主权项
地址

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