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发明名称
METHOD OF MANUFACTURING ELECTRET
摘要
申请公布号
JPS5658220(A)
申请公布日期
1981.05.21
申请号
JP19790132854
申请日期
1979.10.17
申请人
TOKYO SHIBAURA ELECTRIC CO
发明人
TAMURA SAKAE;FUJIWARA SHIGERU;SUZUKI HIROSHI
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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