MINING MACHINERY HAULAGE SYSTEM,申请号GB19870028045-传众专利搜索

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发明名称	MINING MACHINERY HAULAGE SYSTEM
摘要
申请公布号	GB8728045(D0)	申请公布日期	1988.01.06
申请号	GB19870028045	申请日期	1987.12.01
申请人	MINING SUPPLIES (LONGWALL) LTD	发明人
分类号	E21C29/02	主分类号	E21C29/02
代理机构		代理人
主权项
地址

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