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发明名称
摘要
申请公布号
BE715414(A)
申请公布日期
1968.10.16
申请号
BED715414
申请日期
1968.05.20
申请人
发明人
分类号
A47L13/254
主分类号
A47L13/254
代理机构
代理人
主权项
地址
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