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发明名称
HERSTELLUNG VON SYNTHETISCHEN SILIKATISCHEN ROHSTOFFEN
摘要
申请公布号
DD218076(A1)
申请公布日期
1985.01.30
申请号
DD19830255083
申请日期
1983.09.23
申请人
BERGAKADEMIE FREIBERG,DD
发明人
ULLRICH,BERND,DD;SCHLEGEL,ERNST,DD
分类号
C01B33/24;(IPC1-7):C01B33/24
主分类号
C01B33/24
代理机构
代理人
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地址
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