Improvements relating to the construction of hollow bodies,申请号GB19530003970-传众专利搜索

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发明名称	Improvements relating to the construction of hollow bodies
摘要
申请公布号	GB756337(A)	申请公布日期	1956.09.05
申请号	GB19530003970	申请日期	1953.02.12
申请人	LIONEL CHARLES HEAL	发明人
分类号	B21D51/24;B64C1/06	主分类号	B21D51/24
代理机构		代理人
主权项
地址

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