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发明名称
MECHANICAL FILTER
摘要
申请公布号
SU849429(A1)
申请公布日期
1981.07.23
申请号
SU19782702685
申请日期
1978.12.26
申请人
LEJKIN BORIS D,SU
发明人
LEJKIN BORIS D,SU
分类号
H03H9/00;(IPC1-7):H03H9/00
主分类号
H03H9/00
代理机构
代理人
主权项
地址
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