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经营范围
发明名称
Reclamation of tool steel scrap
摘要
申请公布号
US2394578(A)
申请公布日期
1946.02.12
申请号
US19430479394
申请日期
1943.03.16
申请人
JOHN WULFF
发明人
WULFF JOHN
分类号
B22F9/04
主分类号
B22F9/04
代理机构
代理人
主权项
地址
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