Verfahren zur Herstellung glatter, duennwandiger Rohrkruemmer aus einem Stueck Blech,申请号DE1937B178718D-传众专利搜索

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发明名称	Verfahren zur Herstellung glatter, duennwandiger Rohrkruemmer aus einem Stueck Blech
摘要
申请公布号	DE707846(C)	申请公布日期	1941.07.05
申请号	DE1937B178718D	申请日期	1937.06.06
申请人	HCH. BERTRAMS AKT.-GES. ZWEIGNIEDERLASSUNG-WERK TEMPELHOF	发明人
分类号	B21C37/28	主分类号	B21C37/28
代理机构		代理人
主权项
地址

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