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发明名称
摘要
申请公布号
DE2037379(A1)
申请公布日期
1972.01.27
申请号
DE19702037379
申请日期
1970.07.23
申请人
发明人
分类号
A47B91/02
主分类号
A47B91/02
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代理人
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地址
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