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发明名称
Verfahren und Mittel zum Zementieren und Härten von Gegenständen aus Eisen, Eisenlegierungen, Stahl u. dgl.
摘要
申请公布号
AT131564(B)
申请公布日期
1933.01.25
申请号
ATD131564
申请日期
1929.01.12
申请人
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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