ROCK-BREAKING DEVICE,申请号SU19792775985-传众专利搜索

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发明名称	ROCK-BREAKING DEVICE
摘要
申请公布号	SU827783(A1)	申请公布日期	1981.05.07
申请号	SU19792775985	申请日期	1979.06.05
申请人	PK T BYURO GLAVLENSTROJMATERIALOV GL U PROMY STROITELNYKH MATERIALOV DETALEJ	发明人	TSITRON DAVID G,SU;SADOVNIKOV OLEG I,SU
分类号	E21C37/06;(IPC1-7):E21C37/06	主分类号	E21C37/06
代理机构		代理人
主权项
地址

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