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发明名称
摘要
申请公布号
JPH02146595(U)
申请公布日期
1990.12.12
申请号
JP19890054652U
申请日期
1989.05.12
申请人
发明人
分类号
D06F57/12;(IPC1-7):D06F57/12
主分类号
D06F57/12
代理机构
代理人
主权项
地址
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