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经营范围
发明名称
Expanding mandrel
摘要
申请公布号
US3085763(A)
申请公布日期
1963.04.16
申请号
US19610127768
申请日期
1961.06.02
申请人
UNITED STATES STEEL CORPORATION
发明人
JR. CHARLES C. FLOYD,
分类号
B65H75/24
主分类号
B65H75/24
代理机构
代理人
主权项
地址
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