Improved method of and apparatus for elongating solid and hollow metal articles,申请号GB19330011296-传众专利搜索

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发明名称	Improved method of and apparatus for elongating solid and hollow metal articles
摘要
申请公布号	GB408453(A)	申请公布日期	1934.04.12
申请号	GB19330011296	申请日期	1933.04.18
申请人	FRITZ SINGER	发明人
分类号	B21C1/24	主分类号	B21C1/24
代理机构		代理人
主权项
地址

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