GIRDER ERECTION DEVICE
申请公布号:JPS54156326(A)
申请号:JP19780065460
申请日期:1978.05.31
申请公布日期:1979.12.10
发明人:HAMAMOTO KAZUO
分类号:E01D21/00;E01D21/06;E01D101/24
主分类号:E01D21/00
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