ROTARY WORKING MEMBER OF TUNNELING SHIELD,申请号SU19752198541-传众专利搜索

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发明名称	ROTARY WORKING MEMBER OF TUNNELING SHIELD
摘要
申请公布号	SU579425(A1)	申请公布日期	1977.11.05
申请号	SU19752198541	申请日期	1975.12.11
申请人	NII OSNOVANIJ PODZEMNYKH SOORUZHENIJ IM.GERSEVANOVA	发明人	TSAGIKYAN OLEG YA,SU;LEVITIN YURIJ ,SU;BOGACHEV NIKOLAJ P,SU
分类号	E21D9/06;E21C27/20;(IPC1-7):E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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