Means for reduction or suppression of dust in coal cutting,申请号GB19430002594-传众专利搜索

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发明名称	Means for reduction or suppression of dust in coal cutting
摘要
申请公布号	GB563438(A)	申请公布日期	1944.08.15
申请号	GB19430002594	申请日期	1943.02.16
申请人	THOMAS DAVID JONES;PEIRCY ALFRED LEWIS;SAMUEL FLOOK;WILLIAM ALFRED TERRELL	发明人
分类号	E21C35/22	主分类号	E21C35/22
代理机构		代理人
主权项
地址

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