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发明名称
摘要
申请公布号
JPS6213063(Y2)
申请公布日期
1987.04.04
申请号
JP19790179701U
申请日期
1979.12.24
申请人
发明人
分类号
G03B9/10;G03B9/24;(IPC1-7):G03B9/24
主分类号
G03B9/10
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代理人
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