Improvements in mining machine cutting means,申请号GB19630003221-传众专利搜索

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发明名称	Improvements in mining machine cutting means
摘要
申请公布号	GB1062041(A)	申请公布日期	1967.03.15
申请号	GB19630003221	申请日期	1963.01.25
申请人	COAL INDUSTRY (PATENTS) LIMITED	发明人	SHUTTLEWORTH PETER
分类号	E21C35/187	主分类号	E21C35/187
代理机构		代理人
主权项
地址

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