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发明名称
IMPROVEMENTS IN OR RELATING TO PIEZO-ELECTRIC DEVICES
摘要
申请公布号
GB1221070(A)
申请公布日期
1971.02.03
申请号
GB19680008366
申请日期
1968.02.21
申请人
ROBERT BOSCH GMBH.
发明人
分类号
F23Q3/00
主分类号
F23Q3/00
代理机构
代理人
主权项
地址
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