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发明名称
Method for straightening metallic structural members
摘要
申请公布号
US1966955(A)
申请公布日期
1934.07.17
申请号
US19330672180
申请日期
1933.05.22
申请人
THE CHASE COMPANIES, INCORPORATED
发明人
CRAMPTON DONALD K.
分类号
B21D3/12
主分类号
B21D3/12
代理机构
代理人
主权项
地址
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