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发明名称
ELECTRET ELEMENT AND METHOD OF PRODUCING SAME
摘要
申请公布号
JPS586118(A)
申请公布日期
1983.01.13
申请号
JP19810103252
申请日期
1981.07.03
申请人
IWASAKI TSUSHINKI KK
发明人
FUJIMOTO TEIJI;ENOMOTO KOUHEI;NAGASHIMA TETSUSUKE
分类号
H01G7/02
主分类号
H01G7/02
代理机构
代理人
主权项
地址
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