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发明名称
摘要
申请公布号
JPS6084941(U)
申请公布日期
1985.06.12
申请号
JP19830177575U
申请日期
1983.11.18
申请人
发明人
分类号
G03B27/62;G03G15/00;G03G15/04;G03G21/00;G03G21/14;(IPC1-7):G03B27/62
主分类号
G03B27/62
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