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发明名称
MEANS OF INSTRUCTION FOR PLAYING THE ACCORDION
摘要
申请公布号
CS180784(B1)
申请公布日期
1978.01.31
申请号
CS19740007183
申请日期
1974.10.21
申请人
VOZDECKY,KAREL,CS
发明人
VOZDECKY,KAREL,CS
分类号
G09B15/00;(IPC1-7):G09B15/00
主分类号
G09B15/00
代理机构
代理人
主权项
地址
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