Earth loosening apparatus,申请号US19510245924-传众专利搜索

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法人/股东/高管

发明名称	Earth loosening apparatus
摘要
申请公布号	US2675634(A)	申请公布日期	1954.04.20
申请号	US19510245924	申请日期	1951.09.10
申请人	KNAPP KENNETH C	发明人	KNAPP KENNETH C.
分类号	E02F5/00;E02F5/02	主分类号	E02F5/00
代理机构		代理人
主权项
地址

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