Wheeled harrow frame adjustment,申请号US19290409044-传众专利搜索

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发明名称	Wheeled harrow frame adjustment
摘要
申请公布号	US1812904(A)	申请公布日期	1931.07.07
申请号	US19290409044	申请日期	1929.11.22
申请人	BROWN LYNCH SCOTT CO.	发明人	SMITH EDWARD M.
分类号	A01B23/04	主分类号	A01B23/04
代理机构		代理人
主权项
地址

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