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发明名称
摘要
申请公布号
JPH0615043(Y2)
申请公布日期
1994.04.20
申请号
JP19870048404U
申请日期
1987.03.31
申请人
发明人
分类号
E04B1/00;(IPC1-7):E04B1/00
主分类号
E04B1/00
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代理人
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