Improvements in screw and nut gearing,申请号GB19420015462-传众专利搜索

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发明名称	Improvements in screw and nut gearing
摘要
申请公布号	GB560882(A)	申请公布日期	1944.04.25
申请号	GB19420015462	申请日期	1942.11.03
申请人	GEORGE NEEDHAM	发明人
分类号	F16H25/20	主分类号	F16H25/20
代理机构		代理人
主权项
地址

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