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经营范围
发明名称
CLOUDED GLASS OF IMPROVED THERMAL RESISTANCE
摘要
申请公布号
PL121521(B1)
申请公布日期
1982.05.31
申请号
PL19800226686
申请日期
1980.09.09
申请人
发明人
分类号
C03C;C03C3/00;(IPC1-7):C03C3/00
主分类号
C03C
代理机构
代理人
主权项
地址
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