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经营范围
发明名称
Barium titanate composition
摘要
申请公布号
GB768056(A)
申请公布日期
1957.02.13
申请号
GB19550003614
申请日期
1955.02.07
申请人
NATIONAL LEAD COMPANY
发明人
分类号
C30B29/26
主分类号
C30B29/26
代理机构
代理人
主权项
地址
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