BLASTHOLE SEALING DEVICE,申请号SU19874301443-传众专利搜索

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发明名称	BLASTHOLE SEALING DEVICE
摘要
申请公布号	SU1504351(A1)	申请公布日期	1989.08.30
申请号	SU19874301443	申请日期	1987.08.31
申请人	INST GORNOGO DELA IM.A.A.SKOCHINSKOGO	发明人	BANDURIN VLADIMIR I,SU;POPOV-TOLMACHEV BORIS N,SU;VASILEV VLADIMIR V,SU
分类号	E21D21/00	主分类号	E21D21/00
代理机构		代理人
主权项
地址

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