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发明名称
Verfahren zum Herstellen von hochwertigem Gusseisen
摘要
申请公布号
DE649475(C)
申请公布日期
1937.08.25
申请号
DED649475D
申请日期
1930.11.02
申请人
DR.-ING. EUGEN PIWOWARSKY
发明人
分类号
C22C37/00
主分类号
C22C37/00
代理机构
代理人
主权项
地址
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