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发明名称
摘要
申请公布号
SU462582(A1)
申请公布日期
1975.03.05
申请号
SU19721832795
申请日期
1972.10.02
申请人
发明人
分类号
A47L9/10;(IPC1-7):A47L9/10
主分类号
A47L9/10
代理机构
代理人
主权项
地址
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