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发明名称
Verfahren zum Herstellen von Rohren auf mechanisch angetriebenen Strangpressen
摘要
申请公布号
DE550693(C)
申请公布日期
1932.05.14
申请号
DE1927S088442D
申请日期
1927.12.06
申请人
DR. FRITZ SINGER
发明人
分类号
B21C23/14
主分类号
B21C23/14
代理机构
代理人
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