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发明名称
摘要
申请公布号
JPS5778028(U)
申请公布日期
1982.05.14
申请号
JP19800153323U
申请日期
1980.10.27
申请人
发明人
分类号
G03B1/00;G03B1/02;(IPC1-7):G03B1/02
主分类号
G03B1/00
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代理人
主权项
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