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发明名称
Tool for bending tubular articles
摘要
申请公布号
US1804384(A)
申请公布日期
1931.05.05
申请号
US19290368065
申请日期
1929.06.03
申请人
A. O. SMITH CORPORATION
发明人
MILLER HENRY
分类号
B21D7/06
主分类号
B21D7/06
代理机构
代理人
主权项
地址
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