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发明名称
摘要
申请公布号
JPH0723459(Y2)
申请公布日期
1995.05.31
申请号
JP19850043765U
申请日期
1985.03.26
申请人
发明人
分类号
E04G21/12;E04C5/12;(IPC1-7):E04C5/12
主分类号
E04G21/12
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代理人
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