Improvements in or relating to the manufacture of pipes,tubes and like hollow bodies,申请号GB19620002057-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of pipes,tubes and like hollow bodies
摘要
申请公布号	GB979312(A)	申请公布日期	1965.01.01
申请号	GB19620002057	申请日期	1962.01.19
申请人	DRIAM S.A.	发明人
分类号	B21C37/12;F16L9/16;F16L9/18	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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