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发明名称
FREQUENCY ADJUSTING METHOD FOR PIEZOELECTRIC PORCELAIN VIBRATOR
摘要
申请公布号
JPS6465903(A)
申请公布日期
1989.03.13
申请号
JP19870222268
申请日期
1987.09.05
申请人
DAIWA SHINKU CORP
发明人
MIKAMI SHINICHIRO
分类号
H03B5/32
主分类号
H03B5/32
代理机构
代理人
主权项
地址
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