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经营范围
发明名称
An improved planishing device for tubes or pipes
摘要
申请公布号
GB575859(A)
申请公布日期
1946.03.07
申请号
GB19440007159
申请日期
1944.04.18
申请人
FRANK PARSONS
发明人
分类号
B21C37/30
主分类号
B21C37/30
代理机构
代理人
主权项
地址
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