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发明名称
摘要
申请公布号
JP3043264(U)
申请公布日期
1997.11.18
申请号
JP19970000448U
申请日期
1997.02.04
申请人
发明人
分类号
(IPC1-7):E04D1/16;C04B18/20;E04D1/04
主分类号
(IPC1-7):E04D1/16
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