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发明名称
摘要
申请公布号
JPS5889526(U)
申请公布日期
1983.06.17
申请号
JP19810185056U
申请日期
1981.12.14
申请人
发明人
分类号
E04D13/16;(IPC1-7):E04D13/16
主分类号
E04D13/16
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代理人
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