Method and apparatus for forming thin-walled metal sleeves,申请号GB19510014131-传众专利搜索

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发明名称	Method and apparatus for forming thin-walled metal sleeves
摘要
申请公布号	GB687547(A)	申请公布日期	1953.02.18
申请号	GB19510014131	申请日期	1951.06.14
申请人	RADIO CORPORATION OF AMERICA	发明人
分类号	B21C37/15	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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