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发明名称
Verfahren und Vorrichtung zur Herstellung von kreisbogenfoermigen profilierten Rinnen oder Schlitzrohren aus Blech
摘要
申请公布号
DE1007280(B)
申请公布日期
1957.05.02
申请号
DE1953B029057
申请日期
1953.12.30
申请人
UGO BELLOMETTI
发明人
BELLOMETTI UGO
分类号
B21C37/10
主分类号
B21C37/10
代理机构
代理人
主权项
地址
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