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发明名称
ELECTRET CERAMIC MATERIAL
摘要
申请公布号
SU959175(A1)
申请公布日期
1982.09.15
申请号
SU19813251586
申请日期
1981.02.25
申请人
MYALDUN ZIGMUND A,SU
发明人
MYALDUN ZIGMUND A,SU
分类号
H01G7/02;(IPC1-7):H01G7/02
主分类号
H01G7/02
代理机构
代理人
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