Hydraulically operated apparatus for the mechanical splitting of rocks by means of inserts which are pushed apart by a wedge,申请号GB19660034666-传众专利搜索

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发明名称	Hydraulically operated apparatus for the mechanical splitting of rocks by means of inserts which are pushed apart by a wedge
摘要
申请公布号	GB1105107(A)	申请公布日期	1968.03.06
申请号	GB19660034666	申请日期	1966.08.02
申请人	HELMUT DARDA	发明人
分类号	B28D1/00;E21C37/04	主分类号	B28D1/00
代理机构		代理人
主权项
地址

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