WEDGE DEVICE FOR BREAKING ROCK,申请号SU19823374605-传众专利搜索

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发明名称	WEDGE DEVICE FOR BREAKING ROCK
摘要
申请公布号	SU1002575(A1)	申请公布日期	1983.03.07
申请号	SU19823374605	申请日期	1982.01.06
申请人	VNII NERUDNYKH STROITELNYKH MATERIALOV GIDROMEKHANIZATSII	发明人	KANYGIN ALEKSANDR S,SU;BULAVTSEV VLADIMIR A,SU;ZHIDKOV ANATOLIJ V,SU
分类号	E21C37/02;(IPC1-7):E21C37/02	主分类号	E21C37/02
代理机构		代理人
主权项
地址

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