METHOD OF SEALING BLASTHOLES,申请号SU19864122988-传众专利搜索

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发明名称	METHOD OF SEALING BLASTHOLES
摘要
申请公布号	SU1432234(A1)	申请公布日期	1988.10.23
申请号	SU19864122988	申请日期	1986.06.16
申请人	VNI PK UGOLNYJ I "KUZNIUI"	发明人	SHCHEGLOV EVGENIJ S,SU
分类号	E21D20/00	主分类号	E21D20/00
代理机构		代理人
主权项
地址

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