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发明名称
Verstaerker
摘要
申请公布号
DE1537621(A1)
申请公布日期
1970.01.08
申请号
DE1967J035047
申请日期
1967.11.16
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
JOSEPH ROONEY JUN.,JAMES
分类号
H03H11/18
主分类号
H03H11/18
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