CRUSHING SPHERE FOR COAL CRUSHING AND A METHOD FOR ITS PRODUCTION,申请号PL19880273481-传众专利搜索

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发明名称	CRUSHING SPHERE FOR COAL CRUSHING AND A METHOD FOR ITS PRODUCTION
摘要
申请公布号	PL154868(B1)	申请公布日期	1991.09.30
申请号	PL19880273481	申请日期	1988.07.01
申请人		发明人
分类号	B01F;B02C15/08;B21D51/08;(IPC1-7):B02C15/08	主分类号	B01F
代理机构		代理人
主权项
地址

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