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发明名称
Электромеханический фильтр
摘要
申请公布号
SU104428(A1)
申请公布日期
1955.11.30
申请号
SU19550453425
申请日期
1955.02.21
申请人
PLEMYANNIKOV K.A.
发明人
PLEMYANNIKOV K.A.
分类号
H03H9/46
主分类号
H03H9/46
代理机构
代理人
主权项
地址
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