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发明名称	DEVICE FOR GRINDING MATERIALS
摘要
申请公布号	SU1752507(A1)	申请公布日期	1992.08.07
申请号	SU19904832247	申请日期	1990.04.28
申请人	PETROV YURIJ G,SU	发明人	PETROV YURIJ G,SU
分类号	B22F1/00	主分类号	B22F1/00
代理机构		代理人
主权项
地址

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