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发明名称
AIR-TIGHT PACKAGE AND PIEZOELECTRIC VIBRATOR
摘要
申请公布号
JPH02189014(A)
申请公布日期
1990.07.25
申请号
JP19890008925
申请日期
1989.01.18
申请人
MATSUSHIMA KOGYO CO LTD
发明人
OGISO HIROYUKI
分类号
H03H9/02
主分类号
H03H9/02
代理机构
代理人
主权项
地址
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