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发明名称
摘要
申请公布号
SU511082(A1)
申请公布日期
1976.04.25
申请号
SU19731968022
申请日期
1973.10.04
申请人
发明人
分类号
A61H37/00;(IPC1-7):A61H37/00
主分类号
A61H37/00
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