Improvements in or relating to seed drills,申请号GB19380023414-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	GB517081(A)	申请公布日期	1940.01.19
申请号	GB19380023414	申请日期	1938.08.08
申请人	HUGH MARTIN LEAKE	发明人
分类号	A01C7/18	主分类号	A01C7/18
代理机构		代理人
主权项
地址

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