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发明名称
摘要
申请公布号
DE2015554(A1)
申请公布日期
1971.11.18
申请号
DE19702015554
申请日期
1970.04.01
申请人
发明人
分类号
A47B87/02
主分类号
A47B87/02
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代理人
主权项
地址
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