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发明名称
摘要
申请公布号
JPH0221205(U)
申请公布日期
1990.02.13
申请号
JP19880098903U
申请日期
1988.07.26
申请人
发明人
分类号
E04B1/344;(IPC1-7):E04B1/344
主分类号
E04B1/344
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代理人
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