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发明名称
APARAT DO REHABILITACJI SLUCHU,ZWLASZCZA DO REHABILITACJI SLUCHU I UCZENIA WYMOWY U DZIECI
摘要
申请公布号
PL197299(A1)
申请公布日期
1978.02.13
申请号
PL19770197299
申请日期
1977.04.08
申请人
RYSZARD PRZANOWSKI
发明人
WINNICKI LESZEK
分类号
G09B;G09B21/00;H04R25/00;(IPC1-7):G09B/
主分类号
G09B
代理机构
代理人
主权项
地址
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