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发明名称
PRODUCTION OF HIGH PURITY GLOBULAR SILICA
摘要
申请公布号
JPH03215313(A)
申请公布日期
1991.09.20
申请号
JP19900006382
申请日期
1990.01.17
申请人
NITTETSU MINING CO LTD;NIPPON STEEL CHEM CO LTD
发明人
YANOU TOSHINOBU;NAKAMURA KUNIHIKO;FUJIWARA TAKETOSHI;HAGIUE YUKIHIKO;KOUDA SHIGEMI
分类号
C01B33/158
主分类号
C01B33/158
代理机构
代理人
主权项
地址
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