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发明名称
摘要
申请公布号
JPH0229108(U)
申请公布日期
1990.02.26
申请号
JP19880107919U
申请日期
1988.08.18
申请人
发明人
分类号
G02B17/00;F21V7/09;G02F1/1335;G02F1/13357;G09F9/00;(IPC1-7):F21V7/09;G02F1/133
主分类号
G02B17/00
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代理人
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地址
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