METHOD OF MANUFACTURE OF CERAMIC BALLS,申请号PL19800225493-传众专利搜索

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发明名称	METHOD OF MANUFACTURE OF CERAMIC BALLS
摘要
申请公布号	PL131325(B1)	申请公布日期	1984.10.31
申请号	PL19800225493	申请日期	1980.07.03
申请人		发明人
分类号	B01J20/02;B01J35/10;C04B;(IPC1-7):B01J20/02	主分类号	B01J20/02
代理机构		代理人
主权项
地址

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