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发明名称
摘要
申请公布号
JPS5415492(B2)
申请公布日期
1979.06.15
申请号
JP19740146247
申请日期
1974.12.19
申请人
发明人
分类号
G02C1/06;G02C5/02
主分类号
G02C1/06
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代理人
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