New and improved method of making nut blanks,申请号GB19370020179-传众专利搜索

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发明名称	New and improved method of making nut blanks
摘要
申请公布号	GB475483(A)	申请公布日期	1937.11.19
申请号	GB19370020179	申请日期	1937.07.21
申请人	RUSSELL, BURDSALL & WARD BOLT & NUT COMPANY	发明人
分类号	B21K1/64	主分类号	B21K1/64
代理机构		代理人
主权项
地址

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