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发明名称
ETIRAGE DE TUBES A FROID, COMPORTANT UNE REDUCTION D'EPAISSEUR EN PLUSIEURS ETAPES AU COURS D'UNE MEME PASSE
摘要
申请公布号
FR2417349(B1)
申请公布日期
1985.08.30
申请号
FR19790004310
申请日期
1979.02.20
申请人
BABCOCK ET WILCOX CY
发明人
分类号
B21C1/22;B21C1/24;B21C3/02;B21C3/16;(IPC1-7):B21C3/00
主分类号
B21C1/22
代理机构
代理人
主权项
地址
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