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发明名称
Verfahren zur Herstellung von Pressmutterneisen u. dgl.
摘要
申请公布号
DE486236(C)
申请公布日期
1930.01.23
申请号
DE1928R075586D
申请日期
1928.08.30
申请人
FRIEDRICH BORGGRAEFE
发明人
分类号
C21C5/28
主分类号
C21C5/28
代理机构
代理人
主权项
地址
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