Rotary cutting head for a mining etc machine,申请号GB20020000880-传众专利搜索

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发明名称	Rotary cutting head for a mining etc machine
摘要
申请公布号	GB0200880(D0)	申请公布日期	2002.03.06
申请号	GB20020000880	申请日期	2002.01.16
申请人	HYDRA MINING TOOLS INTERNATIONAL LTD	发明人
分类号	E21C25/10;E21C35/23	主分类号	E21C25/10
代理机构		代理人
主权项
地址

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