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经营范围
发明名称
Verre de silice
摘要
申请公布号
FR1156358(A)
申请公布日期
1958.05.14
申请号
FRD1156358
申请日期
1956.07.13
申请人
QUARTZ & SILICE
发明人
分类号
C03C3/06
主分类号
C03C3/06
代理机构
代理人
主权项
地址
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