A FEEDING DEVICE FOR A ROCK,DRILLING MACHINE,申请号GB19890015613-传众专利搜索

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发明名称	A FEEDING DEVICE FOR A ROCK,DRILLING MACHINE
摘要
申请公布号	GB8915613(D0)	申请公布日期	1989.08.23
申请号	GB19890015613	申请日期	1989.07.07
申请人	OY TAMPELLA AB	发明人
分类号	E21B19/08;E21B19/084	主分类号	E21B19/08
代理机构		代理人
主权项
地址

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