Cutting and bending spring rings,申请号GB19520010773-传众专利搜索

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法人/股东/高管

发明名称	Cutting and bending spring rings
摘要
申请公布号	GB702874(A)	申请公布日期	1954.01.27
申请号	GB19520010773	申请日期	1952.04.29
申请人	PAUL ESSER	发明人
分类号	B21F37/02;B21F37/04	主分类号	B21F37/02
代理机构		代理人
主权项
地址

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