Improvements in the method of production of lockwashers,申请号GB19320022054-传众专利搜索

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发明名称	Improvements in the method of production of lockwashers
摘要
申请公布号	GB389369(A)	申请公布日期	1933.03.16
申请号	GB19320022054	申请日期	1932.08.05
申请人	ALBERT THODE	发明人
分类号	B21D53/20	主分类号	B21D53/20
代理机构		代理人
主权项
地址

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