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经营范围
发明名称
Procédé de fabrication d'éléments de tuyauterie et raccords tubulaires et produits ainsi obtenus
摘要
申请公布号
FR1254977(A)
申请公布日期
1961.03.03
申请号
FR19600815910
申请日期
1960.01.18
申请人
发明人
FREUDENBERG ANDRE
分类号
B21C37/29;F16L41/02
主分类号
B21C37/29
代理机构
代理人
主权项
地址
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