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发明名称
摘要
申请公布号
JPS6216922(U)
申请公布日期
1987.01.31
申请号
JP19850107693U
申请日期
1985.07.15
申请人
发明人
分类号
G02C5/12;(IPC1-7):G02C5/12
主分类号
G02C5/12
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