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经营范围
发明名称
PRODUCTION OF FORMED AMORPHOUS SILICA
摘要
申请公布号
JPH05294610(A)
申请公布日期
1993.11.09
申请号
JP19920096839
申请日期
1992.04.16
申请人
TOKUYAMA SODA CO LTD
发明人
KONO HIROYUKI
分类号
B02C17/00;B28B1/26;C01B33/12;C03B20/00;C03C12/00;(IPC1-7):C01B33/12;C03B19/12
主分类号
B02C17/00
代理机构
代理人
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地址
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