Improvements in seed drilling machines,申请号GB19410012648-传众专利搜索

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发明名称	Improvements in seed drilling machines
摘要
申请公布号	GB549260(A)	申请公布日期	1942.11.12
申请号	GB19410012648	申请日期	1941.09.30
申请人	ANTHONY DOMINICK LOUIS O'KELLY	发明人
分类号	A01C7/12	主分类号	A01C7/12
代理机构		代理人
主权项
地址

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