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发明名称
摘要
申请公布号
JPS6279229(U)
申请公布日期
1987.05.21
申请号
JP19860157810U
申请日期
1986.10.15
申请人
发明人
分类号
G03B13/26;G03B17/06;(IPC1-7):G03B13/26
主分类号
G03B13/26
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代理人
主权项
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