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发明名称
PIEZOELECTRIC PORCELAIN COMPOSITION AND PIEZOELECTRIC CERAMIC ELEMENT USING THE SAME
摘要
申请公布号
KR20010106272(A)
申请公布日期
2001.11.29
申请号
KR1020010027234
申请日期
2001.05.18
申请人
发明人
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主分类号
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