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发明名称
摘要
申请公布号
JPH0640749(Y2)
申请公布日期
1994.10.26
申请号
JP19900106183U
申请日期
1990.10.08
申请人
发明人
分类号
E04D13/16;E04D3/40;(IPC1-7):E04D13/16
主分类号
E04D13/16
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