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发明名称
Method of processing metal containing materials
摘要
申请公布号
US2721794(A)
申请公布日期
1955.10.25
申请号
US19510227500
申请日期
1951.05.21
申请人
FRIEDRICH JOHANNSEN
发明人
JOHANNSEN FRIEDRICH
分类号
C21B13/08
主分类号
C21B13/08
代理机构
代理人
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