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发明名称
摘要
申请公布号
DE2030717(A1)
申请公布日期
1971.01.07
申请号
DE19702030717
申请日期
1970.06.22
申请人
发明人
分类号
A47C7/00;A47C7/18;B60N2/00;B60N2/70;(IPC1-7):A47C7/02
主分类号
A47C7/00
代理机构
代理人
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