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经营范围
发明名称
Mandrel bar support
摘要
申请公布号
GB629607(A)
申请公布日期
1949.09.23
申请号
GB19460025269
申请日期
1946.08.23
申请人
THE AETNA-STANDARD ENGINEERING COMPANY
发明人
分类号
B21B25/02
主分类号
B21B25/02
代理机构
代理人
主权项
地址
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