VORRICHTUNG ZUR HERSTELLUNG EINES ROHRBOGENS,申请号DE19742447037-传众专利搜索

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发明名称	VORRICHTUNG ZUR HERSTELLUNG EINES ROHRBOGENS
摘要
申请公布号	DE2447037(B2)	申请公布日期	1977.10.20
申请号	DE19742447037	申请日期	1974.10.02
申请人		发明人
分类号	B21D39/04;(IPC1-7):B21D5/16	主分类号	B21D39/04
代理机构		代理人
主权项
地址

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