Improvements in or relating to the manufacture of pipes,申请号GB19420003985-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of pipes
摘要
申请公布号	GB554877(A)	申请公布日期	1943.06.22
申请号	GB19420003985	申请日期	1942.03.26
申请人	GEOFFREY DENNIS INGRAM	发明人
分类号	B29D23/00	主分类号	B29D23/00
代理机构		代理人
主权项
地址

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