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发明名称
Verfahren zur Herstellung von Schweiss- bzw. Schmiedeeisen
摘要
申请公布号
DE523441(C)
申请公布日期
1931.04.23
申请号
DE1929B144625D
申请日期
1929.07.13
申请人
A.M. BYERS COMPANY
发明人
分类号
C21C3/00
主分类号
C21C3/00
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代理人
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