SOUND-PROOF CASING OF MILL DRUM,申请号SU19874259158-传众专利搜索

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发明名称	SOUND-PROOF CASING OF MILL DRUM
摘要
申请公布号	SU1512656(A1)	申请公布日期	1989.10.07
申请号	SU19874259158	申请日期	1987.06.08
申请人	VNII BEZOPASNOSTI TRUDA V GOR	发明人	BEGUN VALERIJ I,SU
分类号	B02C17/18	主分类号	B02C17/18
代理机构		代理人
主权项
地址

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