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发明名称
METHOD OF MOISTURE PROTECTION OF PIEZOCERAMIC TRANSDUCER
摘要
申请公布号
SU686111(A1)
申请公布日期
1979.09.15
申请号
SU19782609015
申请日期
1978.04.17
申请人
STAROBINETS IOSIF M,SU;GRANAT EVSEJ G,SU;KOJFMAN BORIS M,SU
发明人
STAROBINETS IOSIF M,SU;GRANAT EVSEJ G,SU;KOJFMAN BORIS M,SU
分类号
H01L41/22;H04R31/00;(IPC1-7):H01L41/22
主分类号
H01L41/22
代理机构
代理人
主权项
地址
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