Covering device for planters,申请号US19320636277-传众专利搜索

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发明名称	Covering device for planters
摘要
申请公布号	US1924075(A)	申请公布日期	1933.08.22
申请号	US19320636277	申请日期	1932.10.05
申请人	INTERNATIONAL HARVESTER COMPANY	发明人	OLSON WILLIAM
分类号	A01C5/06	主分类号	A01C5/06
代理机构		代理人
主权项
地址

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