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经营范围
发明名称
Procédé pour l'obtention de tubulures sur des tubes
摘要
申请公布号
FR1049894(A)
申请公布日期
1954.01.04
申请号
FRD1049894
申请日期
1952.01.26
申请人
发明人
COUTURIER LOUIS
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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