CONTINUOUS MINER WITH DUCT ASSEMBLY,申请号GB19910006639-传众专利搜索

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发明名称	CONTINUOUS MINER WITH DUCT ASSEMBLY
摘要
申请公布号	GB2241268(A)	申请公布日期	1991.08.28
申请号	GB19910006639	申请日期	1991.03.28
申请人	* TAMROCK WORLD CORPORATION N V	发明人	MAURICE K * LE BEGUE;HENRY E * WILSON
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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