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经营范围
发明名称
Rolling machine
摘要
申请公布号
US2344147(A)
申请公布日期
1944.03.14
申请号
US19400327405
申请日期
1940.04.02
申请人
GENERAL MOTORS CORPORATION
发明人
HUTCHINSON PHILIP H.
分类号
B21H1/16
主分类号
B21H1/16
代理机构
代理人
主权项
地址
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