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经营范围
发明名称
Hoop forming apparatus
摘要
申请公布号
US2228494(A)
申请公布日期
1941.01.14
申请号
US19370154143
申请日期
1937.07.17
申请人
ACME STEEL COMPANY
发明人
WILSON ALLEN B.
分类号
B21D53/16
主分类号
B21D53/16
代理机构
代理人
主权项
地址
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