Improvements in or relating to seed drills,申请号GB19440011843-传众专利搜索

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发明名称	Improvements in or relating to seed drills
摘要
申请公布号	GB581460(A)	申请公布日期	1946.10.14
申请号	GB19440011843	申请日期	1944.06.22
申请人	RONALD GEORGE THOMAS	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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