Improved means for testing helically toothed gears,申请号GB19450032535-传众专利搜索

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发明名称	Improved means for testing helically toothed gears
摘要
申请公布号	GB622925(A)	申请公布日期	1949.05.10
申请号	GB19450032535	申请日期	1945.12.01
申请人	DAVID BROWN & SONS (HUDDERSFIELD) LIMITED;WILLIAM ALFRED TUPLIN	发明人
分类号	G01B5/20	主分类号	G01B5/20
代理机构		代理人
主权项
地址

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