Improvements in or relating to coal cutting machines,申请号GB19620021601-传众专利搜索

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发明名称	Improvements in or relating to coal cutting machines
摘要
申请公布号	GB1011165(A)	申请公布日期	1965.11.24
申请号	GB19620021601	申请日期	1962.06.05
申请人	MATTHIAS SPENCER & SONS LIMITED	发明人	TINGLE DERRICK
分类号	E21C35/19	主分类号	E21C35/19
代理机构		代理人
主权项
地址

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