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发明名称
PIEZOELECTRIC CERAMIC COMPOSITIONS
摘要
申请公布号
GB1275961(A)
申请公布日期
1972.06.01
申请号
GB19690026349
申请日期
1969.05.23
申请人
SANYO ELECTRIC COMPANY LIMITED
发明人
分类号
C04B35/46;C04B35/48;C04B35/50;C04B35/51
主分类号
C04B35/46
代理机构
代理人
主权项
地址
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