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摘要
申请公布号
JPS5862334(U)
申请公布日期
1983.04.26
申请号
JP19810155446U
申请日期
1981.10.21
申请人
发明人
分类号
G03B17/02;(IPC1-7):G03B17/02
主分类号
G03B17/02
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