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发明名称
Chenilles de tirage utilisées en série pour la manoeuvre de masses suspendues à des câbles ou tubes flexibles
摘要
申请公布号
FR1417989(A)
申请公布日期
1965.11.19
申请号
FR19630924585
申请日期
1963.02.12
申请人
INSTITUT FRANCAIS DU PETROLE, DES CARBURANTS ET LUBRIFIANTS
发明人
GIRAUD ANDRE;DELACOUR JACQUES
分类号
E21B19/00;E21B19/22;F16L1/20;F16L1/23
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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