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发明名称
摘要
申请公布号
DE2124801(A1)
申请公布日期
1972.12.07
申请号
DE19712124801
申请日期
1971.05.19
申请人
AVANT IND
发明人
分类号
A47L15/24
主分类号
A47L15/24
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代理人
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地址
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