Improvements in or relating to gear systems,申请号GB19470013246-传众专利搜索

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发明名称	Improvements in or relating to gear systems
摘要
申请公布号	GB632864(A)	申请公布日期	1949.12.05
申请号	GB19470013246	申请日期	1947.05.16
申请人	JAMES STEWART MACDONALD	发明人
分类号	F16H3/38;F16H61/02	主分类号	F16H3/38
代理机构		代理人
主权项
地址

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