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发明名称
摘要
申请公布号
JPS56139116(U)
申请公布日期
1981.10.21
申请号
JP19800037456U
申请日期
1980.03.21
申请人
发明人
分类号
G02C1/06;(IPC1-7):G02C1/06
主分类号
G02C1/06
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