Improvements relating to self-locking nuts, bolts and like internally and externallyscrew-threaded members,申请号GB19470022585D-传众专利搜索

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发明名称	Improvements relating to self-locking nuts, bolts and like internally and externallyscrew-threaded members
摘要
申请公布号	GB643899(A)	申请公布日期	1950.09.27
申请号	GB19470022585D	申请日期	1947.12.10
申请人	BERNARD ARTHUR FARR	发明人
分类号	F16B39/34	主分类号	F16B39/34
代理机构		代理人
主权项
地址

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