IMPROVED HELICALLY WOUND TUBING,申请号IE19690001413-传众专利搜索

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发明名称	IMPROVED HELICALLY WOUND TUBING
摘要
申请公布号	IE33977(B1)	申请公布日期	1974.12.30
申请号	IE19690001413	申请日期	1969.10.14
申请人	BOWATER BUILDING PROD LTD	发明人
分类号	B21C37/12;F16B4/00;F16L9/06;(IPC1-7):B21C37/06	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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