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发明名称
摘要
申请公布号
JPS5723523(U)
申请公布日期
1982.02.06
申请号
JP19800095775U
申请日期
1980.07.07
申请人
发明人
分类号
G03B9/36;(IPC1-7):G03B9/36
主分类号
G03B9/36
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代理人
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地址
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