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发明名称
Verfahren zur Herstellung von Rohrkrümmern und Einrichtung zur Durchführung dieses Verfahrens
摘要
申请公布号
CH334731(A)
申请公布日期
1958.12.15
申请号
CHD334731
申请日期
1955.09.30
申请人
FRIGERIO,GIORGIO
发明人
FRIGERIO,GIORGIO
分类号
B21C37/28
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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