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发明名称
摘要
申请公布号
JPH0470671(U)
申请公布日期
1992.06.23
申请号
JP19900113677U
申请日期
1990.10.30
申请人
发明人
分类号
G03G21/10;G03G21/00;(IPC1-7):G03G21/00
主分类号
G03G21/10
代理机构
代理人
主权项
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