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摘要
申请公布号
JPS5816618(U)
申请公布日期
1983.02.01
申请号
JP19810111353U
申请日期
1981.07.26
申请人
发明人
分类号
G02C7/16;G02C11/02;(IPC1-7):G02C7/16
主分类号
G02C7/16
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