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发明名称
摘要
申请公布号
JPH0239207(U)
申请公布日期
1990.03.15
申请号
JP19880116694U
申请日期
1988.09.05
申请人
发明人
分类号
G03B13/36;G02B7/28;G03B3/00;(IPC1-7):G02B7/28;G02B7/11
主分类号
G03B13/36
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