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发明名称
Verfahren zur Herstellung von Gegenständen, z. B. Ventilkegel für Verbrennungsmotore, Warmwerkzeuge, wie Matrizen, Dorne usw.
摘要
申请公布号
AT139090(B)
申请公布日期
1934.10.25
申请号
ATD139090
申请日期
1932.01.28
申请人
FRIED. KRUPP AKTIENGESELLSCHAFT
发明人
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