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发明名称
Improvements in or relating to tube bending machines
摘要
申请公布号
GB832643(A)
申请公布日期
1960.04.13
申请号
GB19570014078
申请日期
1957.05.02
申请人
PERCY HAWTIN
发明人
分类号
B21D7/14
主分类号
B21D7/14
代理机构
代理人
主权项
地址
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