Improvements in or relating to screwdrivers,申请号GB19370024855-传众专利搜索

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发明名称	Improvements in or relating to screwdrivers
摘要
申请公布号	GB502348(A)	申请公布日期	1939.03.13
申请号	GB19370024855	申请日期	1937.09.13
申请人	GRANVILLE BRADSHAW	发明人
分类号	B25B13/48;B25B15/04;B25B15/06;F16B23/00	主分类号	B25B13/48
代理机构		代理人
主权项
地址

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