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经营范围
发明名称
Appareil de levage et traction
摘要
申请公布号
FR715449(A)
申请公布日期
1931.12.03
申请号
FRD715449
申请日期
1930.08.27
申请人
发明人
LEROUX PIERRE-EUGENE
分类号
B66D1/14
主分类号
B66D1/14
代理机构
代理人
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