Improvements in seed sowing devices,申请号GB19450001382-传众专利搜索

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发明名称	Improvements in seed sowing devices
摘要
申请公布号	GB587765(A)	申请公布日期	1947.05.05
申请号	GB19450001382	申请日期	1945.01.17
申请人	ERNEST COOPER;WILLIAM ERNEST COOPER	发明人
分类号	A01C7/04	主分类号	A01C7/04
代理机构		代理人
主权项
地址

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