Foot control for seed planters,申请号US19280299202-传众专利搜索

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发明名称	Foot control for seed planters
摘要
申请公布号	US1806050(A)	申请公布日期	1931.05.19
申请号	US19280299202	申请日期	1928.08.13
申请人	BERNARD FISCHER	发明人	FISCHER BERNARD
分类号	A01C19/00	主分类号	A01C19/00
代理机构		代理人
主权项
地址

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