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发明名称
摘要
申请公布号
JPS63187128(U)
申请公布日期
1988.11.30
申请号
JP19870073873U
申请日期
1987.05.18
申请人
发明人
分类号
G03B7/26;G03B15/05;G03B17/00;H05B41/30;(IPC1-7):G03B15/05
主分类号
G03B7/26
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