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发明名称
摘要
申请公布号
JPH0714486(Y2)
申请公布日期
1995.04.10
申请号
JP19900117789U
申请日期
1990.11.09
申请人
发明人
分类号
E04B2/56;E04B1/38;E04B1/58;E04C2/30;E04H5/02;F24F1/00
主分类号
E04B2/56
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