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发明名称
Improvements in or relating to machines for cold-bending pipes
摘要
申请公布号
GB724658(A)
申请公布日期
1955.02.23
申请号
GB19530001829
申请日期
1953.01.21
申请人
RENE POMPEO MINGORI
发明人
分类号
B21D7/06
主分类号
B21D7/06
代理机构
代理人
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地址
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