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发明名称
Förfaringssätt för framställning av skärbart järn, såsom pressmutterjärn, automat-, skruvjärn eller dyl.
摘要
申请公布号
FI13984(A)
申请公布日期
1931.12.11
申请号
FID13984
申请日期
申请人
发明人
BORGGRAEFE FRIEDRICH
分类号
C21C5/30;(IPC1-7):C21C5/30
主分类号
C21C5/30
代理机构
代理人
主权项
地址
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