Improvements in or relating to the manufacture of hollow articles,申请号GB19400006651-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of hollow articles
摘要
申请公布号	GB539167(A)	申请公布日期	1941.08.29
申请号	GB19400006651	申请日期	1940.04.12
申请人	W. S. A. INCORPORATED	发明人
分类号	B21C37/29	主分类号	B21C37/29
代理机构		代理人
主权项
地址

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