Banc d'étirage pour la fabrication de tubes sans soudure,申请号FRD715730-传众专利搜索

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发明名称	Banc d'étirage pour la fabrication de tubes sans soudure
摘要
申请公布号	FR715730(A)	申请公布日期	1931.12.08
申请号	FRD715730	申请日期	1931.04.20
申请人	DEMAG AKTIENGESELLSCHAFT	发明人
分类号	B21C1/30	主分类号	B21C1/30
代理机构		代理人
主权项
地址

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