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发明名称
摘要
申请公布号
NL6706912(A)
申请公布日期
1968.11.19
申请号
NL19670006912
申请日期
1967.05.18
申请人
发明人
分类号
A47C17/56;A47C19/12;A47C19/14
主分类号
A47C17/56
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地址
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