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发明名称
ELEKTRET
摘要
申请公布号
DE2232264(A1)
申请公布日期
1973.01.11
申请号
DE19722232264
申请日期
1972.06.30
申请人
AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE (ANVAR), COURBEVOIE, HAUTS DE SEINE (FRANKREICH)
发明人
LEWINER, JACQUES, SAINT-CLOUD;BULWA, DANIELLE NEE, PARIS
分类号
H01G7/02;H04R19/01;(IPC1-7):H01G7/02
主分类号
H01G7/02
代理机构
代理人
主权项
地址
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