Verfahren zur Herstellung von ringfoermigen Vertiefungen in Blechen,申请号DENDATT032825D-传众专利搜索

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发明名称	Verfahren zur Herstellung von ringfoermigen Vertiefungen in Blechen
摘要
申请公布号	DE515445(C)	申请公布日期	1931.01.03
申请号	DENDATT032825D	申请日期
申请人	FIRMA EDUARD THEISEN	发明人
分类号	B21D13/04	主分类号	B21D13/04
代理机构		代理人
主权项
地址

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