Propagation of trees from cuttings,申请号US19390287411-传众专利搜索

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发明名称	Propagation of trees from cuttings
摘要
申请公布号	US2274989(A)	申请公布日期	1942.03.03
申请号	US19390287411	申请日期	1939.07.29
申请人	MCKEE POPLAR FORESTATION, INC.	发明人	MCKEE RALPH H.
分类号	A01N37/10	主分类号	A01N37/10
代理机构		代理人
主权项
地址

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