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发明名称
COLOURLESS GLASS FOR MAKING MICROBEADS THEREFROM
摘要
申请公布号
PL128598(B1)
申请公布日期
1984.02.29
申请号
PL19810230297
申请日期
1981.03.23
申请人
发明人
分类号
C03C12/00;(IPC1-7):C03B19/10;C03C3/12
主分类号
C03C12/00
代理机构
代理人
主权项
地址
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