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经营范围
发明名称
Combined pointing and extruding machine
摘要
申请公布号
US1972293(A)
申请公布日期
1934.09.04
申请号
US19330679064
申请日期
1933.07.05
申请人
REPUBLIC STEEL CORPORATION
发明人
ELLISON HARRY C.
分类号
B21K1/44
主分类号
B21K1/44
代理机构
代理人
主权项
地址
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