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发明名称
Apparatus for extruding metals
摘要
申请公布号
US2015111(A)
申请公布日期
1935.09.24
申请号
US19340711466
申请日期
1934.02.16
申请人
JOHN ROBERTSON CO., INC.
发明人
JACOBSON CONRAD C.
分类号
B21C33/02
主分类号
B21C33/02
代理机构
代理人
主权项
地址
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