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发明名称
PIEZO-ELECTRIC TRANSDUCERS
摘要
申请公布号
GB8621766(D0)
申请公布日期
1986.10.15
申请号
GB19860021766
申请日期
1986.09.10
申请人
DAVIS (DECADE) LTD
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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