ROLLED SHAPE FOR MINE ROOF SUPPORT,申请号SU19884391658-传众专利搜索

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发明名称	ROLLED SHAPE FOR MINE ROOF SUPPORT
摘要
申请公布号	SU1559180(A1)	申请公布日期	1990.04.23
申请号	SU19884391658	申请日期	1988.03.11
申请人	TREST "ORGTEKHSHAKHTOSTROJ"	发明人	PETUKHOV SERGEJ M,SU;STEPANOV ANDREJ I,SU;ZAVERTKIN VIKTOR S,SU
分类号	E21D11/14	主分类号	E21D11/14
代理机构		代理人
主权项
地址

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