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发明名称
High activity PZT
摘要
申请公布号
GB0019043(D0)
申请公布日期
2000.09.27
申请号
GB20000019043
申请日期
2000.08.04
申请人
DENNE, WILLIAM A
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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