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发明名称
Apparatus for twisting barbed wire
摘要
申请公布号
US3021872(A)
申请公布日期
1962.02.20
申请号
US19590784627
申请日期
1959.01.02
申请人
UNITED STATES STEEL CORPORATION
发明人
JOHNS WILLIAM H.;STOECKEL ALBERT L.
分类号
B21F25/00
主分类号
B21F25/00
代理机构
代理人
主权项
地址
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