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发明名称
Pont élévateur hydraulique à 4 colonnes avec dispositif de clapets assurant l'horizontalité du tablier
摘要
申请公布号
FR803709(A)
申请公布日期
1936.10.07
申请号
FRD803709
申请日期
1936.02.14
申请人
发明人
JULES HERVE, EMILE,
分类号
B66F7/20
主分类号
B66F7/20
代理机构
代理人
主权项
地址
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