DEVICE FOR PRESSING MINE SHAFT INTO SOIL,申请号SU19782721981-传众专利搜索

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发明名称	DEVICE FOR PRESSING MINE SHAFT INTO SOIL
摘要
申请公布号	SU821700(A2)	申请公布日期	1981.04.15
申请号	SU19782721981	申请日期	1978.02.06
申请人	OSTYUKOV BORIS S,SU;MIKHAJLOV VYACHESLAV B,SU	发明人	OSTYUKOV BORIS S,SU;MIKHAJLOV VYACHESLAV B,SU
分类号	E21D1/08;(IPC1-7):E21D1/08	主分类号	E21D1/08
代理机构		代理人
主权项
地址

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