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发明名称
PREPARATION OF SODIUM SILICATE
摘要
申请公布号
GB8922319(D0)
申请公布日期
1989.11.22
申请号
GB19890022319
申请日期
1989.10.04
申请人
UNILEVER PLC
发明人
分类号
C01B33/32
主分类号
C01B33/32
代理机构
代理人
主权项
地址
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