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发明名称
摘要
申请公布号
JPH0339208(U)
申请公布日期
1991.04.16
申请号
JP19890099691U
申请日期
1989.08.25
申请人
发明人
分类号
G03G21/20;F21V23/00;G03B27/52;G03G15/00;G03G15/04;G03G21/00;H05B3/00;(IPC1-7):F21V23/00
主分类号
G03G21/20
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代理人
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地址
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