Improvements in rolls for transversely stretching or contracting webs,申请号GB19510002809-传众专利搜索

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发明名称	Improvements in rolls for transversely stretching or contracting webs
摘要
申请公布号	GB736674(A)	申请公布日期	1955.09.14
申请号	GB19510002809	申请日期	1951.02.05
申请人	JOHN DOUGLAS ROBERTSON	发明人
分类号	B29C55/08;B65H23/025;D21F1/40	主分类号	B29C55/08
代理机构		代理人
主权项
地址

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