Four chauffé au gaz dans lequel on fait passer d'une manière continue des bandes tubulaires servant à la fabrication des tuyaux soudés et en particulier des tuyaux à gaz,申请号FRD905820-传众专利搜索

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发明名称	Four chauffé au gaz dans lequel on fait passer d'une manière continue des bandes tubulaires servant à la fabrication des tuyaux soudés et en particulier des tuyaux à gaz
摘要
申请公布号	FR905820(A)	申请公布日期	1945.12.14
申请号	FRD905820	申请日期	1944.07.13
申请人	DEUTSCHE ROHRENWERKE AKTIENGESELLSCHAFT	发明人
分类号	B21C37/083	主分类号	B21C37/083
代理机构		代理人
主权项
地址

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