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发明名称
摘要
申请公布号
JPS6185623(U)
申请公布日期
1986.06.05
申请号
JP19840170941U
申请日期
1984.11.09
申请人
发明人
分类号
E04D1/30;(IPC1-7):E04D1/30
主分类号
E04D1/30
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代理人
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