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发明名称
LIFT FOR HOISTING BRIDGE BEAMS SUSPENDED IN ARTICULATED MANNER
摘要
申请公布号
PL122761(B1)
申请公布日期
1982.08.31
申请号
PL19790218946
申请日期
1979.10.12
申请人
发明人
分类号
B66F;B66F11/00;(IPC1-7):E01D21/02
主分类号
B66F
代理机构
代理人
主权项
地址
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