Improvements in rock drill steel grinders,申请号GB19560013411-传众专利搜索

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发明名称	Improvements in rock drill steel grinders
摘要
申请公布号	GB791368(A)	申请公布日期	1958.02.26
申请号	GB19560013411	申请日期	1956.05.01
申请人	ATLAS COPCO AKTIEBOLAG	发明人
分类号	B24B3/33	主分类号	B24B3/33
代理机构		代理人
主权项
地址

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