Improvements in or relating to methods and apparatus for making spring assemblies orspring fillings,申请号GB19380020956-传众专利搜索

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发明名称	Improvements in or relating to methods and apparatus for making spring assemblies orspring fillings
摘要
申请公布号	GB503171(A)	申请公布日期	1939.04.03
申请号	GB19380020956	申请日期	1938.07.14
申请人	RUDOLF PLATTE	发明人
分类号	B21F33/02	主分类号	B21F33/02
代理机构		代理人
主权项
地址

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