A mechanical device for sowing either singly or in quantity and at any required spacing, seeds of various sizes,申请号GB19440022286-传众专利搜索

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发明名称	A mechanical device for sowing either singly or in quantity and at any required spacing, seeds of various sizes
摘要
申请公布号	GB615618(A)	申请公布日期	1949.01.10
申请号	GB19440022286	申请日期	1944.11.13
申请人	FRANK WARD	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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