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发明名称
摘要
申请公布号
JPS58163952(U)
申请公布日期
1983.11.01
申请号
JP19820060369U
申请日期
1982.04.24
申请人
发明人
分类号
G03B27/10;G03B27/72;(IPC1-7):G03B27/72
主分类号
G03B27/10
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