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发明名称
Raising and lowering apparatus
摘要
申请公布号
US2918136(A)
申请公布日期
1959.12.22
申请号
US19550552918
申请日期
1955.12.13
申请人
SOCIETE D'ETUDES ET DE CONSTRUCTION D'APPAREILS DE SECURITE J. R. G.
发明人
FAUGIER GABRIEL
分类号
B66D3/00;E04G3/32
主分类号
B66D3/00
代理机构
代理人
主权项
地址
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