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发明名称
Method of preparing barium titanate crystals
摘要
申请公布号
GB820496(A)
申请公布日期
1959.09.23
申请号
GB19560009081
申请日期
1956.03.23
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
主分类号
代理机构
代理人
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