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发明名称
VEHICLE FOR LYING PROVISORY BRIDGE OF PREASSEMBLED SPANS BEING CARRIED THEREBY
摘要
申请公布号
PL141919(B1)
申请公布日期
1987.09.30
申请号
PL19830242874
申请日期
1983.07.06
申请人
发明人
分类号
E01D;E01D15/12;F41H;(IPC1-7):E01D15/12
主分类号
E01D
代理机构
代理人
主权项
地址
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