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发明名称
PIEZOELECTRIC VIBRATOR
摘要
申请公布号
JPH02296407(A)
申请公布日期
1990.12.07
申请号
JP19890118339
申请日期
1989.05.10
申请人
SUMITOMO METAL IND LTD
发明人
MIYAMOTO YOSHIO;SHIGETA YUJI;TSUKIYAMA ARIO
分类号
H03H9/17
主分类号
H03H9/17
代理机构
代理人
主权项
地址
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