Improvements in and relating to mineral mining and loading machines,申请号GB19570026850-传众专利搜索

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发明名称	Improvements in and relating to mineral mining and loading machines
摘要
申请公布号	GB813719(A)	申请公布日期	1959.05.21
申请号	GB19570026850	申请日期	1957.08.26
申请人	JOY-SULLIVAN LIMITED;RONALD CAMERON	发明人
分类号	E21C27/12	主分类号	E21C27/12
代理机构		代理人
主权项
地址

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