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发明名称
GRADED CHROMIUM OXIDE AND PRODUCTION THEREOF
摘要
申请公布号
JPH0375226(A)
申请公布日期
1991.03.29
申请号
JP19890210976
申请日期
1989.08.15
申请人
NIPPON CHEM IND CO LTD
发明人
TAKAGI NOBUO;MITA MUNEO;KASHIWASE HIROYUKI
分类号
C01G37/02
主分类号
C01G37/02
代理机构
代理人
主权项
地址
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VARISTOR
