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发明名称
摘要
申请公布号
DE2145555(A1)
申请公布日期
1972.05.25
申请号
DE19712145555
申请日期
1971.09.11
申请人
发明人
分类号
A47C17/13;A47C17/20;A47C17/207;A47C17/32
主分类号
A47C17/13
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代理人
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