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发明名称
PROCEDE DE PREPARATION DE DIOXYDE DE SILICIUM
摘要
申请公布号
BE854392(A1)
申请公布日期
1977.11.09
申请号
BE19770177377
申请日期
1977.05.09
申请人
WACKER-CHEMIE G.M.B.H.
发明人
分类号
C01B33/16;C01B33/18;(IPC1-7):C01B/
主分类号
C01B33/16
代理机构
代理人
主权项
地址
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