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发明名称
摘要
申请公布号
JPS5875843(U)
申请公布日期
1983.05.23
申请号
JP19810170490U
申请日期
1981.11.16
申请人
发明人
分类号
E04G5/08;(IPC1-7):E04G5/08
主分类号
E04G5/08
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代理人
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