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发明名称
摘要
申请公布号
JP2966450(B2)
申请公布日期
1999.10.25
申请号
JP19890307712
申请日期
1989.11.29
申请人
HITACHI SEISAKUSHO KK
发明人
SUNAKAWA MASARO
分类号
A47L9/10;A47L7/04;(IPC1-7):A47L9/10
主分类号
A47L9/10
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