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发明名称
HIGH MOLECULAR WEIGHT ELECTRETS AND PROCESS FOR PRODUCING THEM
摘要
申请公布号
US3607754(A)
申请公布日期
1971.09.21
申请号
USD3607754
申请日期
1969.12.09
申请人
KUREHA KAGAKU KOGYO KK.;PIONEER ELECTRONIC CORP.
发明人
MITSUO ASAHINA;HARUKO KAKUTANI;KINUKO WADA;MASAHIKO TAMURA
分类号
H01B3/44;H01G7/02;(IPC1-7):H01B3/18
主分类号
H01B3/44
代理机构
代理人
主权项
地址
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