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经营范围
发明名称
Procédé d'obtention de bulbes dans la paroi d'un tube, et produits ainsi obtenus
摘要
申请公布号
FR1288185(A)
申请公布日期
1962.03.24
申请号
FR19610852132
申请日期
1961.02.09
申请人
COMPAGNIE DES SURCHAUFFEURS
发明人
分类号
B21C37/29
主分类号
B21C37/29
代理机构
代理人
主权项
地址
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