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发明名称
摘要
申请公布号
JPS6098833(U)
申请公布日期
1985.07.05
申请号
JP19830191831U
申请日期
1983.12.13
申请人
发明人
分类号
G03B1/40;G03B1/12;G03B17/00;(IPC1-7):G03B17/00
主分类号
G03B1/40
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代理人
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