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发明名称
FILTER
摘要
申请公布号
US3622918(A)
申请公布日期
1971.11.23
申请号
USD3622918
申请日期
1970.01.22
申请人
TDK ELECTRONICS CO. LTD.
发明人
SHIRO ITO;SHOICHI IWAYA;MITSUYA HONDA
分类号
H01J23/15;(IPC1-7):H03H7/04
主分类号
H01J23/15
代理机构
代理人
主权项
地址
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