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发明名称
AKUSTISCHES OBERFLAECHENWELLENBAUELEMENT
摘要
申请公布号
DD138491(A3)
申请公布日期
1979.11.07
申请号
DD19780204280
申请日期
1978.03.20
申请人
WEIHNACHT,MANFRED,DD;MARTIN,GUENTER,DD
发明人
WEIHNACHT,MANFRED,DD;MARTIN,GUENTER,DD
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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