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发明名称
摘要
申请公布号
JPH0281558(U)
申请公布日期
1990.06.22
申请号
JP19890146515U
申请日期
1989.12.21
申请人
发明人
分类号
G03G21/10;G03G21/00;(IPC1-7):G03G21/00
主分类号
G03G21/10
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