Chain feed haulage of coal cutters,申请号GB19630012661-传众专利搜索

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发明名称	Chain feed haulage of coal cutters
摘要
申请公布号	GB1016290(A)	申请公布日期	1966.01.05
申请号	GB19630012661	申请日期	1963.03.29
申请人	KABUSHIKI KAISHA MITSUI-MIIKE SEISAKUJO	发明人
分类号	E21C29/16	主分类号	E21C29/16
代理机构		代理人
主权项
地址

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