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发明名称
PIEZOELECTRIC PORCELAIN COMPOSITION
摘要
申请公布号
JPH03159281(A)
申请公布日期
1991.07.09
申请号
JP19890298879
申请日期
1989.11.17
申请人
HITACHI METALS LTD
发明人
WATANABE JUNICHI;SADAMURA SHIGERU;SOMETSUGU TAKAHIRO
分类号
H01L41/187
主分类号
H01L41/187
代理机构
代理人
主权项
地址
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