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经营范围
发明名称
HIGH PURITY TANTALUM PENTOXIDE
摘要
申请公布号
JPH02248325(A)
申请公布日期
1990.10.04
申请号
JP19900029743
申请日期
1990.02.13
申请人
HERMANN C STARCK BERLIN
发明人
YOAHIMU ETSUKERUTO;BARUTAA BURUTOSUSU
分类号
C01G35/00;H01G4/10
主分类号
C01G35/00
代理机构
代理人
主权项
地址
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