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发明名称
摘要
申请公布号
JPS5886638(U)
申请公布日期
1983.06.11
申请号
JP19810181163U
申请日期
1981.12.07
申请人
发明人
分类号
G03B27/58;G03B27/32;G03F9/00;(IPC1-7):G03B27/32
主分类号
G03B27/58
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代理人
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