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发明名称
摘要
申请公布号
CH622185(A5)
申请公布日期
1981.03.31
申请号
CH19770013064
申请日期
1977.10.27
申请人
RATELBAND, JOHANNES BERNADUS
发明人
JOHANNES BERNADUS RATELBAND
分类号
A63B69/12;(IPC1-7):A63B69/14
主分类号
A63B69/12
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