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发明名称
摘要
申请公布号
JPS6220593(Y2)
申请公布日期
1987.05.26
申请号
JP19820032167U
申请日期
1982.03.08
申请人
发明人
分类号
E04G17/065;(IPC1-7):E04G17/08
主分类号
E04G17/065
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