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发明名称
摘要
申请公布号
JPH0540402(U)
申请公布日期
1993.06.01
申请号
JP19910098487U
申请日期
1991.11.01
申请人
发明人
分类号
E04B1/24;(IPC1-7):E04B1/24
主分类号
E04B1/24
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