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发明名称
摘要
申请公布号
JP2711694(B2)
申请公布日期
1998.02.10
申请号
JP19880262783
申请日期
1988.10.20
申请人
发明人
分类号
E04H4/12;E04H4/04;(IPC1-7):E04H4/04
主分类号
E04H4/12
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代理人
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