Improvements in screw threads,申请号GB19390030694-传众专利搜索

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发明名称	Improvements in screw threads
摘要
申请公布号	GB533761(A)	申请公布日期	1941.02.19
申请号	GB19390030694	申请日期	1939.11.24
申请人	COVENTRY GAUGE & TOOL COMPANY LIMITED;STANLEY JAFFA HARLEY;JOHN ERNEST WAINWRIGHT	发明人
分类号	F16B39/30	主分类号	F16B39/30
代理机构		代理人
主权项
地址

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