Perfectionnements aux coudes de tuyaux à angle de 180 u deg.,申请号FRD735267-传众专利搜索

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发明名称	Perfectionnements aux coudes de tuyaux à angle de 180 u deg.
摘要
申请公布号	FR735267(A)	申请公布日期	1932.11.05
申请号	FRD735267	申请日期	1932.04.15
申请人	THE SUPERHETER COMPANY	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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