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发明名称
Method of forming flanged articles
摘要
申请公布号
US1928910(A)
申请公布日期
1933.10.03
申请号
US19300505878
申请日期
1930.12.31
申请人
THE MIDLAND STEEL PRODUCTS COMPANY
发明人
RIEMENSCHNEIDER ERNEST
分类号
B21D19/08
主分类号
B21D19/08
代理机构
代理人
主权项
地址
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