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发明名称
Verfahren zur Herstellung von Schweißeisen nach dem Aston-Verfahren.
摘要
申请公布号
AT128313(B)
申请公布日期
1932.05.25
申请号
ATD128313
申请日期
1929.07.16
申请人
A. M. BYERS COMPANY INCORPORATED
发明人
分类号
主分类号
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