Tunnel former and subsoil injector,申请号US19530379941-传众专利搜索

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发明名称	Tunnel former and subsoil injector
摘要
申请公布号	US2842077(A)	申请公布日期	1958.07.08
申请号	US19530379941	申请日期	1953.09.14
申请人	DEERE & COMPANY	发明人	MORRISON CHARLES S.
分类号	A01C23/02	主分类号	A01C23/02
代理机构		代理人
主权项
地址

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