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经营范围
发明名称
Forging apparatus
摘要
申请公布号
US2443814(A)
申请公布日期
1948.06.22
申请号
US19420446202
申请日期
1942.06.08
申请人
JOY MANUFACTURING COMPANY
发明人
CURTIS JOHN C.
分类号
B21K5/06
主分类号
B21K5/06
代理机构
代理人
主权项
地址
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