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发明名称
摘要
申请公布号
JPH01143829(U)
申请公布日期
1989.10.03
申请号
JP19890009834U
申请日期
1989.02.01
申请人
发明人
分类号
E04D13/15;(IPC1-7):E04D13/15
主分类号
E04D13/15
代理机构
代理人
主权项
地址
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