EXPANDER FOR DRILLING ASCENDING HOLES,申请号SU19864141616-传众专利搜索

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发明名称	EXPANDER FOR DRILLING ASCENDING HOLES
摘要
申请公布号	SU1425332(A1)	申请公布日期	1988.09.23
申请号	SU19864141616	申请日期	1986.11.03
申请人	N-PROIZV OB SAMOKHODNOJ GORNOJ TEKHNIKI "KRIVOROZHRUDMASH"	发明人	KURUNOV ALEKSANDR G,SU;BRONOVITSKIJ VALENTIN I,SU;TIKHONOV ANATOLIJ I,SU;MAGERYA ANATOLIJ P,SU;VLASENKO ALLA N,SU
分类号	E21D3/00	主分类号	E21D3/00
代理机构		代理人
主权项
地址

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