Improvements in hydraulic presses for breaking down coal, rock and other substances in mining or quarrying operations,申请号GB19320014311-传众专利搜索

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发明名称	Improvements in hydraulic presses for breaking down coal, rock and other substances in mining or quarrying operations
摘要
申请公布号	GB399597(A)	申请公布日期	1933.10.12
申请号	GB19320014311	申请日期	1932.06.20
申请人	JAMES TONGE;KENNETH JAMES TONGE	发明人
分类号	E21C37/08	主分类号	E21C37/08
代理机构		代理人
主权项
地址

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