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发明名称
Menetelmä sähköisen suodattimen valmistamiseksi
摘要
申请公布号
FI901513(A0)
申请公布日期
1990.03.27
申请号
FI19900001513
申请日期
1990.03.27
申请人
VALTION TEKNILLINEN TUTKIMUSKESKUS
发明人
LEHTIMAEKI, MATTI
分类号
B03C;B03C3/14;(IPC1-7):B03C/
主分类号
B03C
代理机构
代理人
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