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发明名称
摘要
申请公布号
JPH0759854(B2)
申请公布日期
1995.06.28
申请号
JP19870026479
申请日期
1987.02.09
申请人
发明人
分类号
E04G23/02;(IPC1-7):E04G23/02
主分类号
E04G23/02
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