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发明名称
PROCEDE DE FABRICATION D'UN COEUR DE CROISEMENT A POINTE MOBILE ET COEUR DE CROISEMENT AINSI OBTENU
摘要
申请公布号
FR2637920(B1)
申请公布日期
1990.12.14
申请号
FR19880013723
申请日期
1988.10.14
申请人
COGIFER
发明人
GERARD TESTART
分类号
E01B7/14;E01B11/44;(IPC1-7):E01B7/10
主分类号
E01B7/14
代理机构
代理人
主权项
地址
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