METHOD OF ENHANCING STABILITY OF ROCK BODY,申请号SU19894650972-传众专利搜索

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发明名称	METHOD OF ENHANCING STABILITY OF ROCK BODY
摘要
申请公布号	SU1642034(A2)	申请公布日期	1991.04.15
申请号	SU19894650972	申请日期	1989.02.16
申请人	SHTELE VLADIMIR,SU	发明人	SHTELE VLADIMIR I,SU
分类号	E21D20/00;E21D21/00	主分类号	E21D20/00
代理机构		代理人
主权项
地址

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