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发明名称
SCHALTUNGSANORDNUNG ZUR STETIGEN UND WEITGEHENDEN VERAENDERUNG DER RESONANZFREQUENZ VON TONFREQUENZ-SCHWINGKREISEN
摘要
申请公布号
DD142932(A1)
申请公布日期
1980.07.16
申请号
DD19790212214
申请日期
1979.04.16
申请人
WALLBRECHT,GERHARD,DD
发明人
WALLBRECHT,GERHARD,DD
分类号
H03J3/18;(IPC1-7):H03J3/18
主分类号
H03J3/18
代理机构
代理人
主权项
地址
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