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发明名称
摘要
申请公布号
JPH059669(Y2)
申请公布日期
1993.03.10
申请号
JP19860032994U
申请日期
1986.03.07
申请人
发明人
分类号
G04B37/05;G04D1/06;(IPC1-7):G04B37/05
主分类号
G04B37/05
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