Combined plow and harrow,申请号US19390303133-传众专利搜索

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发明名称	Combined plow and harrow
摘要
申请公布号	US2218885(A)	申请公布日期	1940.10.22
申请号	US19390303133	申请日期	1939.11.06
申请人	KENNEDY SAMUEL H	发明人	KENNEDY SAMUEL H.
分类号	A01B7/00	主分类号	A01B7/00
代理机构		代理人
主权项
地址

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