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发明名称
摘要
申请公布号
JPH0551139(U)
申请公布日期
1993.07.09
申请号
JP19910104483U
申请日期
1991.12.18
申请人
发明人
分类号
A47B77/06;A47B91/02;B66F3/12;B66F3/46;B66F13/00;(IPC1-7):A47B91/02
主分类号
A47B77/06
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