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发明名称
摘要
申请公布号
JPS5927531(U)
申请公布日期
1984.02.21
申请号
JP19820122216U
申请日期
1982.08.13
申请人
发明人
分类号
G03B9/22;G03B9/10;(IPC1-7):G03B9/10
主分类号
G03B9/22
代理机构
代理人
主权项
地址
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