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发明名称
摘要
申请公布号
JPS6280926(U)
申请公布日期
1987.05.23
申请号
JP19850173787U
申请日期
1985.11.12
申请人
发明人
分类号
E04D13/15;E04D1/34;E04D3/40;(IPC1-7):E04D3/40
主分类号
E04D13/15
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