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发明名称
URZADZENIE DO NAUKI PRAWIDLOWEJ GRY W SZACHY
摘要
申请公布号
PL189849(A1)
申请公布日期
1978.02.27
申请号
PL19760189849
申请日期
1976.05.17
申请人
SWIDERSKI STEFAN
发明人
SWIDERSKI STEFAN
分类号
A63F;G09B;(IPC1-7):G09B/;A63F/
主分类号
A63F
代理机构
代理人
主权项
地址
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