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发明名称
摘要
申请公布号
JPS444872(Y1)
申请公布日期
1969.02.21
申请号
JP19660105444U
申请日期
1966.11.17
申请人
发明人
分类号
G02C5/18;(IPC1-7):G02C5/18
主分类号
G02C5/18
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代理人
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