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经营范围
发明名称
Apparatus for making springs
摘要
申请公布号
US3196906(A)
申请公布日期
1965.07.27
申请号
US19610146185
申请日期
1961.10.19
申请人
UNITED STATES STEEL CORPORATION
发明人
SJOBOHM CURT H. K.;ZUKOWSKI FRANK W.
分类号
B21F3/06
主分类号
B21F3/06
代理机构
代理人
主权项
地址
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